Bettelheim, F. A., & Frederick A. Bettelheim; Jerry March. Introduction to general, organic & biochemistry. Fort Worth: Saunders College Pub., Harcourt Brace College Publishers.
استشهاد بنمط شيكاغوBettelheim, Frederick A., و Frederick A. Bettelheim; Jerry March. Introduction to General, Organic & Biochemistry. Fort Worth: Saunders College Pub., Harcourt Brace College Publishers.
MLA استشهادBettelheim, Frederick A., و Frederick A. Bettelheim; Jerry March. Introduction to General, Organic & Biochemistry. Fort Worth: Saunders College Pub., Harcourt Brace College Publishers.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.