Citazione Stile APA (7a Edizione)

Coombs, P. H. (1960). The technical frontiers of education. UCLA.

Citazione stile Chigago Style (17a edizione)

Coombs, Philip H. The Technical Frontiers of Education. Los Angeles: UCLA, 1960.

Citatione MLA (9a ed.)

Coombs, Philip H. The Technical Frontiers of Education. UCLA, 1960.