Dyfyniad APA

Halsey, D. W., & Shores, L. (1978). Collier's encyclopedia V.18: With bibliography and index. Macmillan Educational Corporation.

Dyfyniad Arddull Chicago

Halsey, D William, and Louis Shores. Collier's Encyclopedia V.18: With Bibliography and Index. New York: Macmillan Educational Corporation, 1978.

Dyfyniad MLA

Halsey, D William, and Louis Shores. Collier's Encyclopedia V.18: With Bibliography and Index. Macmillan Educational Corporation, 1978.

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