Παραπομπή APA

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

Παραπομπή Chicago Style

Cartmell, E., και G W A. Fowles. Valency and Molecular Structure. London: Butterworths, 1977.

Παραπομπή MLA

Cartmell, E., και G W A. Fowles. Valency and Molecular Structure. Butterworths, 1977.