APA Alıntı

Hardwick, M. (1972). Osprey guide to Gilbert and Sullivan. Osprey.

Chicago Stili Alıntı

Hardwick, Michael. Osprey Guide to Gilbert and Sullivan. London: Osprey, 1972.

MLA Alıntı

Hardwick, Michael. Osprey Guide to Gilbert and Sullivan. Osprey, 1972.