English, J. (1961). Principles of organic chemistry: An introductory text in organic chemistry. McGraw-Hill.
Cita Chicago (17th ed.)English, James. Principles of Organic Chemistry: An Introductory Text in Organic Chemistry. New York: McGraw-Hill, 1961.
Cita MLA (9th ed.)English, James. Principles of Organic Chemistry: An Introductory Text in Organic Chemistry. McGraw-Hill, 1961.
Atenció: Aquestes cites poden no estar 100% correctes.