Chamberlain, C. J. (1986). Gymnosperms structure and evolution: With 397 figures (Indian ed.). CBS Publishers & Distributors.
Chicago Style (17. basım) AtıfChamberlain, Charles Joseph. Gymnosperms Structure and Evolution: With 397 Figures. Indian ed. New Delhi: CBS Publishers & Distributors, 1986.
MLA (9th ed.) AtıfChamberlain, Charles Joseph. Gymnosperms Structure and Evolution: With 397 Figures. Indian ed. CBS Publishers & Distributors, 1986.
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