Dyfyniad APA

(1982). Publishers' international directory with ISBN index =: Internationales Verlagsadressbuch mit ISBN-Register. Saur ; Distributed by Gale Research Co..

Dyfyniad Arddull Chicago

Publishers' International Directory with ISBN Index =: Internationales Verlagsadressbuch Mit ISBN-Register. Mu⁺nchen ; New York : Detroit, Mich.: Saur ; Distributed by Gale Research Co., 1982.

Dyfyniad MLA

Publishers' International Directory with ISBN Index =: Internationales Verlagsadressbuch Mit ISBN-Register. Saur ; Distributed by Gale Research Co., 1982.

Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.