Vashishta, P. C., & Vashishta, P. C. ;. S. (1976). Botany for Degree Students: Gymnosperms. S. Chand Publishing.
Citazione stile Chigago Style (17a edizione)Vashishta, P. C., e P. C. ; Sinha Vashishta. Botany for Degree Students: Gymnosperms. New Delhi: S. Chand Publishing, 1976.
Citatione MLA (9a ed.)Vashishta, P. C., e P. C. ; Sinha Vashishta. Botany for Degree Students: Gymnosperms. S. Chand Publishing, 1976.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.