Citazione Stile APA (7a Edizione)

ebrary, Inc, & Royse, D. D. (2009). Needs assessment. Oxford University Press.

Citazione stile Chigago Style (17a edizione)

ebrary, Inc, e David D. Royse. Needs Assessment. New York: Oxford University Press, 2009.

Citatione MLA (9a ed.)

ebrary, Inc, e David D. Royse. Needs Assessment. Oxford University Press, 2009.