Dyfyniad APA
Foerstel, H. N. (2002). Banned in the U.S.A: A reference guide to book censorship in schools and public libraries (Rev. and expanded ed.). Greenwood Press.
Dyfyniad Arddull Chicago
Foerstel, Herbert N. Banned in the U.S.A: A Reference Guide to Book Censorship in Schools and Public Libraries. Rev. and expanded ed. Westport, Conn.: Greenwood Press, 2002.
Dyfyniad MLA
Foerstel, Herbert N. Banned in the U.S.A: A Reference Guide to Book Censorship in Schools and Public Libraries. Rev. and expanded ed. Greenwood Press, 2002.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.