Dyfyniad APA

Smalley, R. L., & Ruetten, M. K. (1986). Refining Composition Skills: Rhetoric and Grammar for ESL Students. New York: Macmillan.

Dyfyniad Arddull Chicago

Smalley, Regina L., và Mary K. Ruetten. Refining Composition Skills: Rhetoric and Grammar for ESL Students. New York: Macmillan, 1986.

Dyfyniad MLA

Smalley, Regina L., và Mary K. Ruetten. Refining Composition Skills: Rhetoric and Grammar for ESL Students. New York: Macmillan, 1986.

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