Citazione Stile APA (7a Edizione)

Kaufman, R. A., Rojas, A. M., & Mayer, H. (1993). Needs assessment: A user's guide. Educational Tecnology Publications.

Citazione stile Chigago Style (17a edizione)

Kaufman, Roger A., Alicia M. Rojas, e Hanna Mayer. Needs Assessment: A User's Guide. Englewood Cliffs: Educational Tecnology Publications, 1993.

Citatione MLA (9a ed.)

Kaufman, Roger A., et al. Needs Assessment: A User's Guide. Educational Tecnology Publications, 1993.