Dyfyniad APA

Eckersley, C. E., & Kaufman, W. E. (1964). A Commercial Course for Foreign Students. Longman.

Dyfyniad Arddull Chicago

Eckersley, C E., and W Elliott Kaufman. A Commercial Course for Foreign Students. London: Longman, 1964.

Dyfyniad MLA

Eckersley, C E., and W Elliott Kaufman. A Commercial Course for Foreign Students. Longman, 1964.

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