Dyfyniad APA

(1993). Peterson's Annual Guide to Graduation Study. Peterson's Guides.

Dyfyniad Arddull Chicago

Peterson's Annual Guide to Graduation Study. New Jersey: Peterson's Guides, 1993.

Dyfyniad MLA

Peterson's Annual Guide to Graduation Study. Peterson's Guides, 1993.

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