Cita APA (7th ed.)

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

Cita Chicago (17th ed.)

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

Cita MLA (9th ed.)

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