Dyfyniad APA

Jones, A. J., Stefflre, B., & Stewart, N. R. (1970). Principles of guidance (6th ed.). McGraw-Hill Kogakusha.

Dyfyniad Arddull Chicago

Jones, Arthur Julius, Buford Stefflre, and Norman R. Stewart. Principles of Guidance. 6th ed. Tokyo: McGraw-Hill Kogakusha, 1970.

Dyfyniad MLA

Jones, Arthur Julius, et al. Principles of Guidance. 6th ed. McGraw-Hill Kogakusha, 1970.

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