Dyfyniad APA

Tuckman, B. W. (1998). Conducting educational research (3rd ed.). Harcourt Brace Jovanovich.

Dyfyniad Arddull Chicago

Tuckman, Bruce W. Conducting Educational Research. 3rd ed. San Diego, Calif: Harcourt Brace Jovanovich, 1998.

Dyfyniad MLA

Tuckman, Bruce W. Conducting Educational Research. 3rd ed. Harcourt Brace Jovanovich, 1998.

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