Dyfyniad APA

Wong, L. (1991). Essential study skills. Illinois: Houghton Mifflin.

Dyfyniad Arddull Chicago

Wong, Linda. Essential Study Skills. Illinois: Houghton Mifflin, 1991.

Dyfyniad MLA

Wong, Linda. Essential Study Skills. Illinois: Houghton Mifflin, 1991.

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