1. Neil, G. (2005). Connelly Nomenclature of inorganic chemistry: IUPAC recommendations 2005. RSC Publishing.
2. Elschenbroich, C. (2008). Organometallchemie, (6. Aufl.). Teubner.
3. David Manthey., Orbital Viewer, Version 1.04. http://www.orbitals.com/orb.
4. Weber, B., Käpplinger, I., Görls, H., & Jäger, E.-G. (2005). European Journal of Inorganic Chemistry, 2005, 2794–2811.
5. Cram, D. J. (1988). Angewandte Chemie International Edition, 27, 1009–1020.