Παραπομπή APA

Johnson, R. C. (1949). An introduction to molecular spectra. Methuen.

Παραπομπή Chicago Style

Johnson, Raynor Carey. An Introduction to Molecular Spectra. London: Methuen, 1949.

Παραπομπή MLA

Johnson, Raynor Carey. An Introduction to Molecular Spectra. Methuen, 1949.