Heys, H. (1960). An introduction to electronic theory of organic compounds. George G. Harrap.
Čikaški stil citiranja (17. izdanje)Heys, H.L. An Introduction to Electronic Theory of Organic Compounds. London: George G. Harrap, 1960.
MLA način citiranja (9. izdanje)Heys, H.L. An Introduction to Electronic Theory of Organic Compounds. George G. Harrap, 1960.
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