Não informado. (2020). Petroleum Age and Service Station Merchandising. Petroleum Age Publishing Company.
Citação do estilo Chicago (17ª ed.)Não informado. Petroleum Age and Service Station Merchandising. Chicago, Ill: Petroleum Age Publishing Company, 2020.
Citação MLA (8ª ed.)Não informado. Petroleum Age and Service Station Merchandising. Petroleum Age Publishing Company, 2020.
Atenció: Aquestes cites poden no estar 100% correctes.