Choudhary, S. S., Choudhary, P., & Prasad, T. (1998). Practical botany: Cryptogams and gymnosperms. CBS Publishers & Distributors.
Chicago-čujuhus (17. p.)Choudhary, S. S., Prabha Choudhary, juo Tarkeshwar Prasad. Practical Botany: Cryptogams and Gymnosperms. New Delhi: CBS Publishers & Distributors, 1998.
MLA-čujuhus (9. p.)Choudhary, S. S., et al. Practical Botany: Cryptogams and Gymnosperms. CBS Publishers & Distributors, 1998.
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