APA

(1973). Bibliography of publications issued by Unesco or under its auspices: the first twenty-five years 1946 to 1971. Paris: Unesco.

Chicago

1973. Bibliography of publications issued by Unesco or under its auspices: the first twenty-five years 1946 to 1971. Paris: Unesco.

Harvard

(1973). Bibliography of publications issued by Unesco or under its auspices: the first twenty-five years 1946 to 1971. Paris: Unesco.

MLA

Bibliography of publications issued by Unesco or under its auspices: the first twenty-five years 1946 to 1971. Paris: Unesco. 1973.