APA (7th ed.) Zitazioa

Banathy, B. H. (1968). Instructional systems. Fearon.

Chicago Style (17th ed.) Zitazioa

Banathy, Bela H. Instructional Systems. s.l: Fearon, 1968.

MLA (9th ed.) Zitazioa

Banathy, Bela H. Instructional Systems. Fearon, 1968.