Παραπομπή APA

John D Summers, John D Summers, & Steven Leeson. (2001). Broiler breeder production (1.). International Book Distributing company.

Παραπομπή Chicago Style

John D Summers, John D Summers, και Steven Leeson. Broiler Breeder Production. 1. International Book Distributing company, 2001.

Παραπομπή MLA

John D Summers, et al. Broiler Breeder Production. 1. International Book Distributing company, 2001.