Dyfyniad APA

EDUCATIONAL TESTING SERVICE. (2002). GRADUATE RECORD EXAMINATIONS (GRE). EDUCATIONAL TESTING SERVICE.

Dyfyniad Arddull Chicago

EDUCATIONAL TESTING SERVICE. GRADUATE RECORD EXAMINATIONS (GRE). NEW JERSEY: EDUCATIONAL TESTING SERVICE, 2002.

Dyfyniad MLA

EDUCATIONAL TESTING SERVICE. GRADUATE RECORD EXAMINATIONS (GRE). EDUCATIONAL TESTING SERVICE, 2002.

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