Παραπομπή APA

(1978). Audiovisual Market Place: A Multimedia Guide. R R Bowker.

Παραπομπή Chicago Style

Audiovisual Market Place: A Multimedia Guide. New York: R R Bowker, 1978.

Παραπομπή MLA

Audiovisual Market Place: A Multimedia Guide. R R Bowker, 1978.