Παραπομπή APA

Wickham, T. F. (1972). Seamanship (Ed.2.). English Universities press.

Παραπομπή Chicago Style

Wickham, T F. Seamanship. Ed.2. London: English Universities press, 1972.

Παραπομπή MLA

Wickham, T F. Seamanship. Ed.2. English Universities press, 1972.