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.
Cita Chicago (17th ed.)Amir, Pervaiz, i Hendrik C. Knipscheer. Conducting On-farm Animal Research: Procedures and Economic Analysis. Singapore: Winrock International Institute for Agricultural Development and International Development Research, 1989.
Cita MLA (9th ed.)Amir, Pervaiz, i Hendrik C. Knipscheer. Conducting On-farm Animal Research: Procedures and Economic Analysis. Winrock International Institute for Agricultural Development and International Development Research, 1989.
Atenció: Aquestes cites poden no estar 100% correctes.