Dyfyniad APA
March, I., Greenfield, E., & Layton, R. (1992). The Penguin guide to compact discs and cassettes (New ed.). Penguin Books.
Dyfyniad Arddull Chicago
March, Ivan, Edward Greenfield, and Robert Layton. The Penguin Guide to Compact Discs and Cassettes. New ed. London ; New York: Penguin Books, 1992.
Dyfyniad MLA
March, Ivan, et al. The Penguin Guide to Compact Discs and Cassettes. New ed. Penguin Books, 1992.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.