American Bureau of Shipping. Rules for Building and Classing: Steel Barges : 1991. American Bureau of Shipping.
Citação do estilo Chicago (17ª ed.)American Bureau of Shipping. Rules for Building and Classing: Steel Barges : 1991. New York: American Bureau of Shipping.
Citação MLA (9ª ed.)American Bureau of Shipping. Rules for Building and Classing: Steel Barges : 1991. American Bureau of Shipping.
Nota: a formatação da citação pode não corresponder 100% ao definido pela respectiva norma.