Hansch, C. H., & Helmkamp, G. (1963). Organic chemistry: An outline, problems and answers (Second Edition.). McGraw-Hill.
Cita Chicago (17th ed.)Hansch, Corwin H., i George Helmkamp. Organic Chemistry: An Outline, Problems and Answers. Second Edition. New York: McGraw-Hill, 1963.
Cita MLA (9th ed.)Hansch, Corwin H., i George Helmkamp. Organic Chemistry: An Outline, Problems and Answers. Second Edition. McGraw-Hill, 1963.
Atenció: Aquestes cites poden no estar 100% correctes.