Παραπομπή APA

Northwood Rock R. (1977). Manual Of Library Economy. Clive Bingley.

Παραπομπή Chicago Style

Northwood Rock R. Manual Of Library Economy. London: Clive Bingley, 1977.

Παραπομπή MLA

Northwood Rock R. Manual Of Library Economy. Clive Bingley, 1977.