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