Amir, P., & Knipscheer, H. C. (1989). Conducting on-farm animal research: Procedures and economic analysis. Winrock International Institute for Agricultural Development and International Development Research.
Цитирование в стиле Чикаго (17-е изд.)Amir, Pervaiz, и Hendrik C. Knipscheer. Conducting On-farm Animal Research: Procedures and Economic Analysis. Singapore: Winrock International Institute for Agricultural Development and International Development Research, 1989.
Цитирование MLA (9-е изд.)Amir, Pervaiz, и Hendrik C. Knipscheer. Conducting On-farm Animal Research: Procedures and Economic Analysis. Winrock International Institute for Agricultural Development and International Development Research, 1989.
Предупреждение: эти цитированмия не могут быть всегда правильны на 100%.