Dyfyniad APA

(1988). The College Handbook 1988-1989. College Entrance Examination B.

Dyfyniad Arddull Chicago

The College Handbook 1988-1989. College Entrance Examination B, 1988.

Dyfyniad MLA

The College Handbook 1988-1989. College Entrance Examination B, 1988.

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