Παραπομπή APA

Ala, P. Q. (1968). Theory of cataloguing: An examination guide book (2nd rev. ed.). Clive Bingley.

Παραπομπή Chicago Style

Ala, Patrick Quigg. Theory of Cataloguing: An Examination Guide Book. 2nd rev. ed. New York: Clive Bingley, 1968.

Παραπομπή MLA

Ala, Patrick Quigg. Theory of Cataloguing: An Examination Guide Book. 2nd rev. ed. Clive Bingley, 1968.