Dyfyniad APA

Shertzer, B., & Stone, S. C. (1971). Fundamentals of guidance. Hunghton Mifflin Co.

Dyfyniad Arddull Chicago

Shertzer, Bruce, and Shelly C. Stone. Fundamentals of Guidance. New York: Hunghton Mifflin Co, 1971.

Dyfyniad MLA

Shertzer, Bruce, and Shelly C. Stone. Fundamentals of Guidance. Hunghton Mifflin Co, 1971.

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