Barnes, D., Forster, C. F., & Hrudey, S. E. (1984). Petroleum and organic chemicals industries. Pitman Advanced Pub. Program.
Cita Chicago (17th ed.)Barnes, D., C F. Forster, i S E. Hrudey. Petroleum and Organic Chemicals Industries. Boston: Pitman Advanced Pub. Program, 1984.
Cita MLA (9th ed.)Barnes, D., et al. Petroleum and Organic Chemicals Industries. Pitman Advanced Pub. Program, 1984.
Atenció: Aquestes cites poden no estar 100% correctes.