Morrell, J. (1998). Justus von Liebig: The chemical gatekeeper.
Chicago Style CitationMorrell, Jack. Justus Von Liebig: The Chemical Gatekeeper. 1998.
Cita MLAMorrell, Jack. Justus Von Liebig: The Chemical Gatekeeper. 1998.
Atenció: Aquestes cites poden no estar 100% correctes.