Bard, R. L. (1972). Food aid and international agricultural trade: A study in legal and administrative control. Lexington Books.
Chicago-viite (17. p.)Bard, Robert L. Food Aid and International Agricultural Trade: A Study in Legal and Administrative Control. Lexington, Mass.: Lexington Books, 1972.
MLA-viite (8. p.)Bard, Robert L. Food Aid and International Agricultural Trade: A Study in Legal and Administrative Control. Lexington Books, 1972.
Varoitus: Nämä viitteet eivät aina ole täysin luotettavia.