APA

The International Atomic Energy Agency;Food and Agriculture Organization of the United Nations and Held, International Symposium on the Use of Stable Isotopes in Plant Nutrition S. F. a. E. S. J., . (1991). Stable isotopes in plant nutrition, soil fertility and environmental studies. Vienna: International Atomic Energy Agency.

Chicago

The International Atomic Energy Agency;Food and Agriculture Organization of the United Nations and Held, International Symposium on the Use of Stable Isotopes in Plant Nutrition Soil Fertility and Environmental Studies Jointly, . 1991. Stable isotopes in plant nutrition, soil fertility and environmental studies. Vienna: International Atomic Energy Agency.

Harvard

The International Atomic Energy Agency;Food and Agriculture Organization of the United Nations and Held, International Symposium on the Use of Stable Isotopes in Plant Nutrition S. F. a. E. S. J., . (1991). Stable isotopes in plant nutrition, soil fertility and environmental studies. Vienna: International Atomic Energy Agency.

MLA

The International Atomic Energy Agency;Food and Agriculture Organization of the United Nations and Held, International Symposium on the Use of Stable Isotopes in Plant Nutrition Soil Fertility and Environmental Studies Jointly, . Stable isotopes in plant nutrition, soil fertility and environmental studies. Vienna: International Atomic Energy Agency. 1991.