Dyfyniad APA

Werner, P. K., Spaventa, M., & Nelson, J. P. (2002). Interactions access: Grammar (4th ed.). .McGraw-Hill Contemporary.

Dyfyniad Arddull Chicago

Werner, Patricia K., Marilynn Spaventa, and John P. Nelson. Interactions Access: Grammar. 4th ed. Boston, MA: .McGraw-Hill Contemporary, 2002.

Dyfyniad MLA

Werner, Patricia K., et al. Interactions Access: Grammar. 4th ed. .McGraw-Hill Contemporary, 2002.

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