Dyfyniad APA

(1970). Research and the school counselor. New York: Houghton Mifflin Company.

Dyfyniad Arddull Chicago

Research and the School Counselor. New York: Houghton Mifflin Company, 1970.

Dyfyniad MLA

Research and the School Counselor. New York: Houghton Mifflin Company, 1970.

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