APA

(1989). FAO/IBPGR technical guidelines for the safe movement of sweet potato germplasm. Rome: Food and Agriculture Organization of the United Nations.

Chicago

1989. FAO/IBPGR technical guidelines for the safe movement of sweet potato germplasm. Rome: Food and Agriculture Organization of the United Nations.

Harvard

(1989). FAO/IBPGR technical guidelines for the safe movement of sweet potato germplasm. Rome: Food and Agriculture Organization of the United Nations.

MLA

FAO/IBPGR technical guidelines for the safe movement of sweet potato germplasm. Rome: Food and Agriculture Organization of the United Nations. 1989.