Παραπομπή σε μορφή APA (7η εκδ.)

Williams, H., & Bonnick, S. (1992). Tanker voyage charters (2nd ed.). The Independent Association of Independent Tanker Owners (Intertanko).

Παραπομπή σε μορφή Chicago (17η εκδ.)

Williams, Harvey, και S. Bonnick. Tanker Voyage Charters. 2nd ed. Oslo: The Independent Association of Independent Tanker Owners (Intertanko), 1992.

Παραπομπή σε μορφή MLA (9th εκδ.)

Williams, Harvey, και S. Bonnick. Tanker Voyage Charters. 2nd ed. The Independent Association of Independent Tanker Owners (Intertanko), 1992.