Tohutoro APA (7th ed.)

COULSON, C. A. (1979). Valence. U, P..

Tohutoru Kātū Chicago (17th ed.)

COULSON, Charles Alfred. Valence. Oxford: U, P., 1979.

Tohutoro MLA (9th ed.)

COULSON, Charles Alfred. Valence. U, P., 1979.