Gaya APA

Kracht, D, /, K. (1973). The apporoximate treatment of core electrons in quantum chemistry ; applications to some interhalogen compunds . Groningen: V.R.B.-Offsetdrukkerij.

Gaya MLA

Kracht, Douwe, /, Kimia. "The apporoximate treatment of core electrons in quantum chemistry ; applications to some interhalogen compunds". Groningen: V.R.B.-Offsetdrukkerij, 1973. Monograft.