American Petroleum Institute. Division of Marketing. (1963). Sources of petroleum marketing statistics. s.n.
Čikaški stil citiranja (17. izdanje)American Petroleum Institute. Division of Marketing. Sources of Petroleum Marketing Statistics. New York: s.n, 1963.
MLA način citiranja (9. izdanje)American Petroleum Institute. Division of Marketing. Sources of Petroleum Marketing Statistics. s.n, 1963.
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