Rashid, A. (1999). An introduction to pteridophyta: Diversity, development, differentiation (2nd ed.). Vikas Publishing House.
Chicago-viite (17. p.)Rashid, A. An Introduction to Pteridophyta: Diversity, Development, Differentiation. 2nd ed. New Delhi: Vikas Publishing House, 1999.
MLA-viite (9. p.)Rashid, A. An Introduction to Pteridophyta: Diversity, Development, Differentiation. 2nd ed. Vikas Publishing House, 1999.
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