Dyfyniad APA

Johnson, C., & O"driscoll, N. (1991). Exchanging Information. London: Longman.

Dyfyniad Arddull Chicago

Johnson, Christine, và Nina O"driscoll. Exchanging Information. London: Longman, 1991.

Dyfyniad MLA

Johnson, Christine, và Nina O"driscoll. Exchanging Information. London: Longman, 1991.

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