Παραπομπή APA

Sadlej, J. (1985). Semi-empirical methods of quantum chemistry (1st English ed.). Ellis Horwood ; Halsted Press.

Παραπομπή Chicago Style

Sadlej, Joanna. Semi-empirical Methods of Quantum Chemistry. 1st English ed. Chichester : New York: Ellis Horwood ; Halsted Press, 1985.

Παραπομπή MLA

Sadlej, Joanna. Semi-empirical Methods of Quantum Chemistry. 1st English ed. Ellis Horwood ; Halsted Press, 1985.