Παραπομπή APA

J F D Greenhalgh, P Mc donold, & R A Edwards. (1982). Animal nutrition (3.). Essex.

Παραπομπή Chicago Style

J F D Greenhalgh, P Mc donold, και R A Edwards. Animal Nutrition. 3. Essex, 1982.

Παραπομπή MLA

J F D Greenhalgh, et al. Animal Nutrition. 3. Essex, 1982.