Não informado. (1948). Esso oilways international. Standard Oil Company of Brazil.
Chicagoスタイル(17版)引用形式Não informado. Esso Oilways International. Rio de Janeiro: Standard Oil Company of Brazil, 1948.
MLA(8版)引用形式Não informado. Esso Oilways International. Standard Oil Company of Brazil, 1948.
警告: この引用は必ずしも正確ではありません.