Dyfyniad APA

Halloran, J. (1981). Supervision: The art of management. Prentice-Hall.

Dyfyniad Arddull Chicago

Halloran, Jack. Supervision: The Art of Management. Englewood Cliffs, N.J.: Prentice-Hall, 1981.

Dyfyniad MLA

Halloran, Jack. Supervision: The Art of Management. Prentice-Hall, 1981.

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