Dyfyniad APA

Kaufman, R. A., & English, F. W. (1979). Needs assessment: Concept and application. Educational Technology.

Dyfyniad Arddull Chicago

Kaufman, Roger A., and Fenwick W. English. Needs Assessment: Concept and Application. Englewood Cliffs, NJ: Educational Technology, 1979.

Dyfyniad MLA

Kaufman, Roger A., and Fenwick W. English. Needs Assessment: Concept and Application. Educational Technology, 1979.

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