APA-viite (7. p.)

Helms, C. A. (1995). Fundamentals of skeletal radiology (2nd ed.). Saunders.

Chicago-viite (17. p.)

Helms, Clyde A. Fundamentals of Skeletal Radiology. 2nd ed. Philadelphia, PA: Saunders, 1995.

MLA-viite (9. p.)

Helms, Clyde A. Fundamentals of Skeletal Radiology. 2nd ed. Saunders, 1995.