Dyfyniad APA

(1989). Index Of Majors 1989-1989. College Entrance Examination B.

Dyfyniad Arddull Chicago

Index Of Majors 1989-1989. College Entrance Examination B, 1989.

Dyfyniad MLA

Index Of Majors 1989-1989. College Entrance Examination B, 1989.

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