APA (7e ed.) Bronvermelding
Pennington, F. C. (1980). Assessing educational needs of adults. Jossey-Bass.
Chicago (17e ed.) Bronvermelding
Pennington, Floyd C. Assessing Educational Needs of Adults. San Francisco: Jossey-Bass, 1980.
MLA (9e ed.) Bronvermelding
Pennington, Floyd C. Assessing Educational Needs of Adults. Jossey-Bass, 1980.
Let op: Deze citaties zijn niet altijd 100% accuraat.