Παραπομπή APA

Swan, H. (1974). Nutrition conference for feed manufactures: 8. Butter Worths.

Παραπομπή Chicago Style

Swan, H. Nutrition Conference for Feed Manufactures: 8. London: Butter Worths, 1974.

Παραπομπή MLA

Swan, H. Nutrition Conference for Feed Manufactures: 8. Butter Worths, 1974.