Παραπομπή APA

Clarence Henry Eckles & Harld Mary. (1957). Milk and milk products (4.). Mc graw hill book company inc.

Παραπομπή Chicago Style

Clarence Henry Eckles και Harld Mary. Milk and Milk Products. 4. Mc graw hill book company inc, 1957.

Παραπομπή MLA

Clarence Henry Eckles και Harld Mary. Milk and Milk Products. 4. Mc graw hill book company inc, 1957.