Vashishta, P. C., Sinha, A. K., & Kumar, A. (2008). Botany for degree students: Pteridophyta (Rev. ed.). S. Chand & Company.
Chicago Style (17th ed.) ZitazioaVashishta, P. C., A. K. Sinha, eta Adarsh Kumar. Botany for Degree Students: Pteridophyta. Rev. ed. New Delhi: S. Chand & Company, 2008.
MLA (9th ed.) ZitazioaVashishta, P. C., et al. Botany for Degree Students: Pteridophyta. Rev. ed. S. Chand & Company, 2008.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.