Dyfyniad APA
Morlan, J. E., & Espinosa, L. J. (1989). Preparation of inexpensive teaching materials (3rd ed.). Fearon Teacher Aids.
Dyfyniad Arddull Chicago
Morlan, John E., and Leonard J. Espinosa. Preparation of Inexpensive Teaching Materials. 3rd ed. California: Fearon Teacher Aids, 1989.
Dyfyniad MLA
Morlan, John E., and Leonard J. Espinosa. Preparation of Inexpensive Teaching Materials. 3rd ed. Fearon Teacher Aids, 1989.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.