Dyfyniad APA

Shepherd, J. F. (1998). College study skills (6th ed.). Boston: Houghton Mifflin.

Dyfyniad Arddull Chicago

Shepherd, James F. College Study Skills. 6th ed. Boston: Houghton Mifflin, 1998.

Dyfyniad MLA

Shepherd, James F. College Study Skills. 6th ed. Boston: Houghton Mifflin, 1998.

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