Παραπομπή APA

Earl N, M., & Harbans, S. (1967). Livestock and poultry production. Prentice- Hall of India.

Παραπομπή Chicago Style

Earl N, Moore, και Singh Harbans. Livestock and Poultry Production. New Delhi: Prentice- Hall of India, 1967.

Παραπομπή MLA

Earl N, Moore, και Singh Harbans. Livestock and Poultry Production. Prentice- Hall of India, 1967.