Não informado. (1956). Ports and Harbors. International Association of Ports and Harbors.
Style de citation Chicago (17e éd.)Não informado. Ports and Harbors. Tokyo: International Association of Ports and Harbors, 1956.
Style de citation MLA (8e éd.)Não informado. Ports and Harbors. International Association of Ports and Harbors, 1956.
Attention : ces citations peuvent ne pas être correctes à 100%.