O'Loughlin, C. (1967). Economics of sea transport. Pergamon press.
Chicago Style aipamenaO'Loughlin, Carleen. Economics of Sea Transport. London: Pergamon press, 1967.
MLA aipamenaO'Loughlin, Carleen. Economics of Sea Transport. Pergamon press, 1967.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.