Sharma, O. P. (1993). Plant taxonomy. Tata McGraw-Hill Publishing Company.
Cita Chicago (17th ed.)Sharma, O. P. Plant Taxonomy. New Delhi: Tata McGraw-Hill Publishing Company, 1993.
Cita MLA (9th ed.)Sharma, O. P. Plant Taxonomy. Tata McGraw-Hill Publishing Company, 1993.
Atenció: Aquestes cites poden no estar 100% correctes.