Cable, R. (1970). Audio-visual handbook (3rd. ed.). Univ. of London Press.
Chicago Style aipamenaCable, Ralph. Audio-visual Handbook. 3rd. ed. Univ. of London Press, 1970.
MLA aipamenaCable, Ralph. Audio-visual Handbook. 3rd. ed. Univ. of London Press, 1970.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.