APA (7th ed.) Zitazioa

O'Neil, H. F. (1979). Procedures for instructional systems development. Academic Press.

Chicago Style (17th ed.) Zitazioa

O'Neil, Harold F. Procedures for Instructional Systems Development. Nueva York: Academic Press, 1979.

MLA (9th ed.) Zitazioa

O'Neil, Harold F. Procedures for Instructional Systems Development. Academic Press, 1979.