Popkin, B. (1973). Some social and economic considerations in developing a national food and nutrition program. [s.n.].
Цитирование в стиле Чикаго (17-е изд.)Popkin, Barry. Some Social and Economic Considerations in Developing a National Food and Nutrition Program. [s.l.]: [s.n.], 1973.
Цитирование MLA (9-е изд.)Popkin, Barry. Some Social and Economic Considerations in Developing a National Food and Nutrition Program. [s.n.], 1973.
Предупреждение: эти цитированмия не могут быть всегда правильны на 100%.