Citazione Stile APA (7a Edizione)

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

Citazione stile Chigago Style (17a edizione)

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

Citatione MLA (8a ed.)

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