Dyfyniad APA

Hartmann, P., & Mentel, J. (2007). Interactions access: Reading (4th edition.). New york: McGraw-Hill.

Dyfyniad Arddull Chicago

Hartmann, Pamela., và James Mentel. Interactions Access: Reading. 4th edition. New york: McGraw-Hill, 2007.

Dyfyniad MLA

Hartmann, Pamela., và James Mentel. Interactions Access: Reading. 4th edition. New york: McGraw-Hill, 2007.

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