Heys, H. (1960). An introduction to electronic theory of organic compounds. George G. Harrap.
Citazione stile Chigago Style (17a edizione)Heys, H.L. An Introduction to Electronic Theory of Organic Compounds. London: George G. Harrap, 1960.
Citatione MLA (9a ed.)Heys, H.L. An Introduction to Electronic Theory of Organic Compounds. George G. Harrap, 1960.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.