APA-viite

(2000). Ports of the world 2001: Lloyd's list (19th ed.). Informa Publishing Group.

Chicago-tyylinen lähdeviittaus

Ports of the World 2001: Lloyd's List. 19th ed. United Kingdom: Informa Publishing Group, 2000.

MLA-viite

Ports of the World 2001: Lloyd's List. 19th ed. Informa Publishing Group, 2000.