Παραπομπή APA

Hughes, J. L. (1962). Programed instruction for schools and industry. Chicago: Science Research Associates.

Παραπομπή Chicago Style

Hughes, J. L. Programed Instruction for Schools and Industry. Chicago: Science Research Associates, 1962.

Παραπομπή MLA

Hughes, J. L. Programed Instruction for Schools and Industry. Chicago: Science Research Associates, 1962.

Πρόσοχή: Οι παραπομπές μπορεί να μην είναι 100% ακριβείς.