Cita APA (7th ed.)

Pennington, F. C. (1980). Assessing educational needs of adults. Jossey-Bass.

Cita Chicago (17th ed.)

Pennington, Floyd C. Assessing Educational Needs of Adults. San Francisco: Jossey-Bass, 1980.

Cita MLA (8th ed.)

Pennington, Floyd C. Assessing Educational Needs of Adults. Jossey-Bass, 1980.