APA ציטוט

Albert Y Leung & Albert Y Leung. (1980). Encyclopedia of common natural ingredients: Used in food,drugs and cosmetics. John wiley.

Chicago Edition Citation

Albert Y Leung and Albert Y Leung. Encyclopedia of Common Natural Ingredients: Used in Food,drugs and Cosmetics. John wiley, 1980.

ציטוט MLA

Albert Y Leung and Albert Y Leung. Encyclopedia of Common Natural Ingredients: Used in Food,drugs and Cosmetics. John wiley, 1980.