Vasishta, P. C. (1985). Botany for degree students: gymnosperms: Volume V: Gymnosperms. S. Chand & Company.
Chicago Style (17. basım) AtıfVasishta, P. C. Botany for Degree Students: Gymnosperms: Volume V: Gymnosperms. New Delhi: S. Chand & Company, 1985.
MLA (9th ed.) AtıfVasishta, P. C. Botany for Degree Students: Gymnosperms: Volume V: Gymnosperms. S. Chand & Company, 1985.
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