Dyfyniad APA

Winchell, C. M. (1956). Guide to reference books: Second supplement , 1953-1955 (7th ed.). American Library Association.

Dyfyniad Arddull Chicago

Winchell, Constance M. Guide to Reference Books: Second Supplement , 1953-1955. 7th ed. Chicago: American Library Association, 1956.

Dyfyniad MLA

Winchell, Constance M. Guide to Reference Books: Second Supplement , 1953-1955. 7th ed. American Library Association, 1956.

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