Balinsky, B. (1981). An Introduction to Embryology (5th ed.). NEW YORK.
Cita Chicago (17th ed.)Balinsky, B.I. An Introduction to Embryology. 5th ed. SAUNDERS COLLEGE PUBLISHING: NEW YORK, 1981.
Cita MLA (9th ed.)Balinsky, B.I. An Introduction to Embryology. 5th ed. NEW YORK, 1981.
Atenció: Aquestes cites poden no estar 100% correctes.