Amir, P., & Knipscheer, H. C. (1989). Conducting on-farm animal research: Procedures & economic analysis. Winrock International Institute for Agricultural Development and International Development Research Centre.
Cita Chicago (17th ed.)Amir, Pervaiz, i Hendrik C. Knipscheer. Conducting On-farm Animal Research: Procedures & Economic Analysis. Morrilton, Ark: Winrock International Institute for Agricultural Development and International Development Research Centre, 1989.
Cita MLA (9th ed.)Amir, Pervaiz, i Hendrik C. Knipscheer. Conducting On-farm Animal Research: Procedures & Economic Analysis. Winrock International Institute for Agricultural Development and International Development Research Centre, 1989.
Atenció: Aquestes cites poden no estar 100% correctes.