Johnson, D. E., & Samuels, M. L. (1979). Cancer of the genitourinary tract.
Chicago Style aipamenaJohnson, Douglas E., and Melvin L. Samuels. Cancer of the Genitourinary Tract. 1979.
MLA aipamenaJohnson, Douglas E., and Melvin L. Samuels. Cancer of the Genitourinary Tract. 1979.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.