Humphreys, L. (1972). Out of the closets: The sociology of homosexual liberation / Laud Humphreys. Prentice-Hall.
Chicago-viite (17. p.)Humphreys, Laud. Out of the Closets: The Sociology of Homosexual Liberation / Laud Humphreys. Englewood Cliffs, NJ [u.a.]: Prentice-Hall, 1972.
MLA-viite (8. p.)Humphreys, Laud. Out of the Closets: The Sociology of Homosexual Liberation / Laud Humphreys. Prentice-Hall, 1972.
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