Citazione Stile APA (7a Edizione)

National Association of Secondary-School Principals. (1966). Re-assessing human poetential. s.n.

Citazione stile Chigago Style (17a edizione)

National Association of Secondary-School Principals. Re-assessing Human Poetential. [Washington]: s.n, 1966.

Citatione MLA (9a ed.)

National Association of Secondary-School Principals. Re-assessing Human Poetential. s.n, 1966.