Johansen, D. A. (1990). Plant embryology. Bishen Singh, Mahendrapal Singh.
Chicago Edition CitationJohansen, Donald Alexander. Plant Embryology. Dehradun: Bishen Singh, Mahendrapal Singh, 1990.
MLA Edition CitationJohansen, Donald Alexander. Plant Embryology. Bishen Singh, Mahendrapal Singh, 1990.
Warning: These citations may not always be 100% accurate.