Lehr, R. E. A., & Marchand , A. P. Orbital sysmmetry.
Chicago Edition CitationLehr, Ronald E. And, i Alan P. Marchand. Orbital Sysmmetry.
Cita MLALehr, Ronald E. And, i Alan P. Marchand. Orbital Sysmmetry.
Atenció: Aquestes cites poden no estar 100% correctes.