Παραπομπή APA

B S I. (1980). Cataloguing and classification: A workbook (2.). Marcel Dekker.

Παραπομπή Chicago Style

B S I. Cataloguing and Classification: A Workbook. 2. New York: Marcel Dekker, 1980.

Παραπομπή MLA

B S I. Cataloguing and Classification: A Workbook. 2. Marcel Dekker, 1980.