Vashishta, P. C., Sinha, A. K., & Kumar, A. (2005). Botany for degree students: Pteridophyta. S. Chand & Company.
Cita Chicago (17th ed.)Vashishta, P. C., A. K. Sinha, i Adarsh Kumar. Botany for Degree Students: Pteridophyta. New Delhi: S. Chand & Company, 2005.
Cita MLA (9th ed.)Vashishta, P. C., et al. Botany for Degree Students: Pteridophyta. S. Chand & Company, 2005.
Atenció: Aquestes cites poden no estar 100% correctes.