APA-čujuhus (7. p.)
Kroll, G. (1998). Friction: Best gay erotic fiction. Alyson Books.
Chicago-čujuhus (17. p.)
Kroll, Gerry. Friction: Best Gay Erotic Fiction. Los Angeles: Alyson Books, 1998.
MLA-čujuhus (9. p.)
Kroll, Gerry. Friction: Best Gay Erotic Fiction. Alyson Books, 1998.
Muitte dárkkistit čujuhemiid riektatvuođa, ovdal go geavahat daid iežat deavsttas.