Não informado. (1966). World ports. American Association of Port Authorities.
Chicagoスタイル(17版)引用形式Não informado. World Ports. Washington: American Association of Port Authorities, 1966.
MLA(8版)引用形式Não informado. World Ports. American Association of Port Authorities, 1966.
警告: この引用は必ずしも正確ではありません.