GURCHARAN SINGH. (1999). Plant systematics. Enfield, New Hampshire: Science.
シカゴスタイル引用形GURCHARAN SINGH. Plant Systematics. Enfield, New Hampshire: Science, 1999.
MLA引用形式GURCHARAN SINGH. Plant Systematics. Enfield, New Hampshire: Science, 1999.
警告: この引用は必ずしも正確ではありません.