Παραπομπή APA

Stevens, B. (1967). Atomic structure and valency for general students of chemistry. Chapman & Hall.

Παραπομπή Chicago Style

Stevens, B. Atomic Structure and Valency for General Students of Chemistry. London: Chapman & Hall, 1967.

Παραπομπή MLA

Stevens, B. Atomic Structure and Valency for General Students of Chemistry. Chapman & Hall, 1967.