Dyfyniad APA

Sulzby, E., Klein, M., Teale, W., & Hoffman, J. (1990). McGraw-Hill English. McGraw-Hill School Division.

Dyfyniad Arddull Chicago

Sulzby, Elizabeth, Marvin Klein, William Teale, and James Hoffman. McGraw-Hill English. New York: McGraw-Hill School Division, 1990.

Dyfyniad MLA

Sulzby, Elizabeth, et al. McGraw-Hill English. McGraw-Hill School Division, 1990.

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