Dyfyniad APA
Schlemmer, R. M. (1990). Handbook of advertising art production (4th ed.). Prentice Hall.
Dyfyniad Arddull Chicago
Schlemmer, Richard M. Handbook of Advertising Art Production. 4th ed. Englewood Cliffs, N.J.: Prentice Hall, 1990.
Dyfyniad MLA
Schlemmer, Richard M. Handbook of Advertising Art Production. 4th ed. Prentice Hall, 1990.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.