APA (7e ed.) Bronvermelding

Cartmell, E., & Fowles, G. W. A. (1977). Valency and molecular structure (4th ed.). Butterworths.

Chicago (17e ed.) Bronvermelding

Cartmell, E., en G. W. A. Fowles. Valency and Molecular Structure. 4th ed. London: Butterworths, 1977.

MLA (9e ed.) Bronvermelding

Cartmell, E., en G. W. A. Fowles. Valency and Molecular Structure. 4th ed. Butterworths, 1977.