Trail, J. C. M., & Gregory, K. E. (1981). Sahiwal cattle: An evaluation of their potential contribution to milk and beef production in Africa. International Livestock Centre for Africa.
Chicago Style (17th ed.) CitationTrail, J. C. M., and K. E. Gregory. Sahiwal Cattle: An Evaluation of Their Potential Contribution to Milk and Beef Production in Africa. Addis Ababa, Ethiopia: International Livestock Centre for Africa, 1981.
MLA (9th ed.) CitationTrail, J. C. M., and K. E. Gregory. Sahiwal Cattle: An Evaluation of Their Potential Contribution to Milk and Beef Production in Africa. International Livestock Centre for Africa, 1981.
Warning: These citations may not always be 100% accurate.