Cita APA (7th ed.)

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

Cita Chicago (17th ed.)

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

Cita MLA (9th ed.)

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