GURCHARAN SINGH. (1999). Plant systematics. Enfield, New Hampshire: Science.
Style de citation ChicagoGURCHARAN SINGH. Plant Systematics. Enfield, New Hampshire: Science, 1999.
Style de citation MLAGURCHARAN SINGH. Plant Systematics. Enfield, New Hampshire: Science, 1999.
Attention : ces citations peuvent ne pas être correctes à 100%.