Não informado. (1948). Esso oilways international. Standard Oil Company of Brazil.
Chicago-Zitierstil (17. Ausg.)Não informado. Esso Oilways International. Rio de Janeiro: Standard Oil Company of Brazil, 1948.
MLA-Zitierstil (8. Ausg.)Não informado. Esso Oilways International. Standard Oil Company of Brazil, 1948.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.