Não informado. (2020). Petroleum Age and Service Station Merchandising. Petroleum Age Publishing Company.
Citace podle Chicago (17th ed.)Não informado. Petroleum Age and Service Station Merchandising. Chicago, Ill: Petroleum Age Publishing Company, 2020.
Citace podle MLA (8th ed.)Não informado. Petroleum Age and Service Station Merchandising. Petroleum Age Publishing Company, 2020.
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