Dyfyniad APA

Kaufman, R. A. (1988). Identifying and solving problems: A management guide (4th ed.). Social Impacts Publications.

Dyfyniad Arddull Chicago

Kaufman, Roger A. Identifying and Solving Problems: A Management Guide. 4th ed. [Sydney]: Social Impacts Publications, 1988.

Dyfyniad MLA

Kaufman, Roger A. Identifying and Solving Problems: A Management Guide. 4th ed. Social Impacts Publications, 1988.

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