Gaya APA

Hall, G, E., Jones, H, L. (1976). Competency based education : a process for the improvement of education . Englewood Cliffs, NJ: Prentice Hall.

Gaya MLA

Hall, Gene, E.., Jones, Howard, L.. "Competency based education : a process for the improvement of education". Englewood Cliffs, NJ: Prentice Hall, 1976. Text.