Dyfyniad APA

Roth, R. M. (1970). Underachieving students and guidance. Houghton Mifflin.

Dyfyniad Arddull Chicago

Roth, Robert M. Underachieving Students and Guidance. New York: Houghton Mifflin, 1970.

Dyfyniad MLA

Roth, Robert M. Underachieving Students and Guidance. Houghton Mifflin, 1970.

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