Gaya APA

Swanson, C, P., Bard, R, L. (1972). Food aid and international agricultural trade a study in legal and ì administrative control . Massachusetts: Massachusetts: Lexington Books; 1972.

Gaya MLA

Swanson, Carl, P.., Bard, Robert, L. "Food aid and international agricultural trade a study in legal and ì administrative control". Massachusetts: Massachusetts: Lexington Books; 1972, 1972. Text.