Zaba, J., & Doherty, W. T. (1970). Practical petroleum engineers' handbook. Gulf publishing company.
Chicago-viite (17. p.)Zaba, Joseph, ja Wilfred Thomas Doherty. Practical Petroleum Engineers' Handbook. Houston, Tex.: Gulf publishing company, 1970.
MLA-viite (9. p.)Zaba, Joseph, ja Wilfred Thomas Doherty. Practical Petroleum Engineers' Handbook. Gulf publishing company, 1970.