Sharm, O. P. (2009). Plant Texonomy. McGraw Hill Education.
Chicago Style (17th ed.) ZitazioaSharm, O. P. Plant Texonomy. New Delhi: McGraw Hill Education, 2009.
MLA (9th ed.) ZitazioaSharm, O. P. Plant Texonomy. McGraw Hill Education, 2009.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.