Dyfyniad APA

Estes, T. H., Mintz, S. L., & Gunter, M. A. (2011). Instruction: A models approach (6th ed.). Pearson.

Dyfyniad Arddull Chicago

Estes, Thomas H., Susan L. Mintz, and Mary Alice Gunter. Instruction: A Models Approach. 6th ed. Boston: Pearson, 2011.

Dyfyniad MLA

Estes, Thomas H., et al. Instruction: A Models Approach. 6th ed. Pearson, 2011.

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