Cita APA (7th ed.)

Weinhold, F., & Landis, C. R. (2005). Valency and bonding: A natural bond orbital donor-acceptor perspective. Cambridge University Press.

Cita Chicago (17th ed.)

Weinhold, Frank, i Clark R. Landis. Valency and Bonding: A Natural Bond Orbital Donor-acceptor Perspective. New York: Cambridge University Press, 2005.

Cita MLA (8th ed.)

Weinhold, Frank, i Clark R. Landis. Valency and Bonding: A Natural Bond Orbital Donor-acceptor Perspective. Cambridge University Press, 2005.