Page, R., & Gardner, W. A. (1971). Petroleum Tankship Safety. Maritime press.
Chicago Edition CitationPage, R.C, i Ward. A. Gardner. Petroleum Tankship Safety. London: Maritime press, 1971.
Cita MLAPage, R.C, i Ward. A. Gardner. Petroleum Tankship Safety. Maritime press, 1971.
Atenció: Aquestes cites poden no estar 100% correctes.