Johnson, D. E., & Samuels, M. L. (1979). Cancer of the genitourinary tract.
Lua i Stíl Chicago (17ú heag.)Johnson, Douglas E., agus Melvin L. Samuels. Cancer of the Genitourinary Tract. 1979.
Lua MLA (9ú heag.)Johnson, Douglas E., agus Melvin L. Samuels. Cancer of the Genitourinary Tract. 1979.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.