Humphreys, L. (1972). Out of the closets: The sociology of homosexual liberation / Laud Humphreys ([Nachdruck].). Prentice-Hall.
Lua i Stíl Chicago (17ú heag.)Humphreys, Laud. Out of the Closets: The Sociology of Homosexual Liberation / Laud Humphreys. [Nachdruck]. Englewood Cliffs, NJ [u.a.]: Prentice-Hall, 1972.
Lua MLA (8ú heag.)Humphreys, Laud. Out of the Closets: The Sociology of Homosexual Liberation / Laud Humphreys. [Nachdruck]. Prentice-Hall, 1972.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.