Goldstein, R. F. (1949). The petroleum chemicals industry. E. & F.N. Spon.
Cita Chicago (17th ed.)Goldstein, Richard Frank. The Petroleum Chemicals Industry. London,: E. & F.N. Spon, 1949.
Cita MLA (8th ed.)Goldstein, Richard Frank. The Petroleum Chemicals Industry. E. & F.N. Spon, 1949.
Atenció: Aquestes cites poden no estar 100% correctes.