A Carl Leopold. (1964). Plant growth and development. New York: McGraw-Hill Book Company.
استشهاد بنمط شيكاغوA Carl Leopold. Plant Growth and Development. New York: McGraw-Hill Book Company, 1964.
MLA استشهادA Carl Leopold. Plant Growth and Development. New York: McGraw-Hill Book Company, 1964.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.