Sadler, T. W., & Langman, J. (2000). Langman's medical embryology (8th ed.). Williams & Wilkins.
Cita Chicago (17th ed.)Sadler, T. W., i Jan Langman. Langman's Medical Embryology. 8th ed. Philadelphia: Williams & Wilkins, 2000.
Cita MLA (9th ed.)Sadler, T. W., i Jan Langman. Langman's Medical Embryology. 8th ed. Williams & Wilkins, 2000.
Atenció: Aquestes cites poden no estar 100% correctes.