Παραπομπή APA

Hepple, P. (1972). Proceedings: Molecular spectroscopy. Institute of petroleum.

Παραπομπή Chicago Style

Hepple, Peter. Proceedings: Molecular Spectroscopy. London: Institute of petroleum, 1972.

Παραπομπή MLA

Hepple, Peter. Proceedings: Molecular Spectroscopy. Institute of petroleum, 1972.