APA citiranje

GURCHARAN SINGH. (1999). Plant systematics. Enfield, New Hampshire: Science.

Trích dẫn kiểu Chicago

GURCHARAN SINGH. Plant Systematics. Enfield, New Hampshire: Science, 1999.

MLA citiranje

GURCHARAN SINGH. Plant Systematics. Enfield, New Hampshire: Science, 1999.

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