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.
Chicago-referens (17:e uppl.)Amir, Pervaiz, och Hendrik C. Knipscheer. Conducting On-farm Animal Research: Procedures and Economic Analysis. Singapore: Winrock International Institute for Agricultural Development and International Development Research, 1989.
MLA-referens (9:e uppl.)Amir, Pervaiz, och Hendrik C. Knipscheer. Conducting On-farm Animal Research: Procedures and Economic Analysis. Winrock International Institute for Agricultural Development and International Development Research, 1989.
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