Dyfyniad APA

Stewart, N. R., & Winborn, B. B. (1978). Systematic counselling. Prentice-Hall.

Dyfyniad Arddull Chicago

Stewart, Norman R., and Bob B. Winborn. Systematic Counselling. Englewood Englewood Cliffs: Prentice-Hall, 1978.

Dyfyniad MLA

Stewart, Norman R., and Bob B. Winborn. Systematic Counselling. Prentice-Hall, 1978.

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