Amir, P. (1989). Conducting on-farm animal research: Procedures & economic analysis. American: Winrock International Institute For Agricultural DEvelopment and International Development Research Centre.
استشهاد بنمط شيكاغوAmir, Pervaiz. Conducting On-farm Animal Research: Procedures & Economic Analysis. American: Winrock International Institute For Agricultural DEvelopment and International Development Research Centre, 1989.
MLA استشهادAmir, Pervaiz. Conducting On-farm Animal Research: Procedures & Economic Analysis. American: Winrock International Institute For Agricultural DEvelopment and International Development Research Centre, 1989.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.