Citazione Stile APA (7a Edizione)

Likert, R., & Hayes, S. P. (1957). Some applications of behavioural research. UNESCO.

Citazione stile Chigago Style (17a edizione)

Likert, Rensis, e Samuel Perkins Hayes. Some Applications of Behavioural Research. París: UNESCO, 1957.

Citatione MLA (9a ed.)

Likert, Rensis, e Samuel Perkins Hayes. Some Applications of Behavioural Research. UNESCO, 1957.