Keats, T. E. (1992). Atlas of Normal Roentgen Variants That May Simulate Disease (5 ed.). Mosby Year Book.
Cita Chicago (17th ed.)Keats, Theodore E. Atlas of Normal Roentgen Variants That May Simulate Disease. 5 ed. St. Louis: Mosby Year Book, 1992.
Cita MLA (9th ed.)Keats, Theodore E. Atlas of Normal Roentgen Variants That May Simulate Disease. 5 ed. Mosby Year Book, 1992.
Atenció: Aquestes cites poden no estar 100% correctes.