Patten, B. M., & Carlson, B. M. (1974). Foundations of embryology (3d ed.). McGraw-Hill.
Cita Chicago (17th ed.)Patten, Bradley M., i Bruce M. Carlson. Foundations of Embryology. 3d ed. New York: McGraw-Hill, 1974.
Cita MLA (9th ed.)Patten, Bradley M., i Bruce M. Carlson. Foundations of Embryology. 3d ed. McGraw-Hill, 1974.
Atenció: Aquestes cites poden no estar 100% correctes.