Παραπομπή APA

Ortzen, L. (1974). Stories of famous shipwrecks. Arthur Barker.

Παραπομπή Chicago Style

Ortzen, Len. Stories of Famous Shipwrecks. London: Arthur Barker, 1974.

Παραπομπή MLA

Ortzen, Len. Stories of Famous Shipwrecks. Arthur Barker, 1974.