Παραπομπή σε μορφή APA (7η εκδ.)

Levitan, S. A., Mangum, G. L., & Marshall, F. R. (1981). Human resources and labor markets: Employment and training in the American economy (3rd ed.). Harper & Row.

Παραπομπή σε μορφή Chicago (17η εκδ.)

Levitan, Sar A., Garth L. Mangum, και F. Ray Marshall. Human Resources and Labor Markets: Employment and Training in the American Economy. 3rd ed. New York: Harper & Row, 1981.

Παραπομπή σε μορφή MLA (9th εκδ.)

Levitan, Sar A., et al. Human Resources and Labor Markets: Employment and Training in the American Economy. 3rd ed. Harper & Row, 1981.