Παραπομπή σε μορφή APA (7η εκδ.)

McKillip, J. (1987). Need analysis: Tools for the human services and education. Sage Publications.

Παραπομπή σε μορφή Chicago (17η εκδ.)

McKillip, Jack. Need Analysis: Tools for the Human Services and Education. Newbury Park, Calif.: Sage Publications, 1987.

Παραπομπή σε μορφή MLA (8th εκδ.)

McKillip, Jack. Need Analysis: Tools for the Human Services and Education. Sage Publications, 1987.