Lilly, W. J. (1985). The petroleum secretary's handbook (2nd ed.). PennWell Pub. Co..
Chicago Style (17th ed.) CitationLilly, Willene Jackson. The Petroleum Secretary's Handbook. 2nd ed. Tulsa, Okla.: PennWell Pub. Co., 1985.
MLA (9th ed.) CitationLilly, Willene Jackson. The Petroleum Secretary's Handbook. 2nd ed. PennWell Pub. Co., 1985.
Warning: These citations may not always be 100% accurate.