Pechenik, J. A. (2015). Biology of the invertebrates (Seventh edition, International edition.). McGraw-Hill Education.
Chicago Style (17th ed.) CitationPechenik, Jan A. Biology of the Invertebrates. Seventh edition, International edition. New York, NY: McGraw-Hill Education, 2015.
ציטוט MLAPechenik, Jan A. Biology of the Invertebrates. Seventh edition, International edition. McGraw-Hill Education, 2015.
אזהרה: ציטוטים אלה לעיתים לא מדויקים ב 100%.