Minor, V. C., & Purves, W. K. (2001). Study guide to accompany Life, the science of biology: By Purves, Sadava, Orians, and Heller (6th ed.). Sinauer Associates W.H. Freeman and Co. [distributor].
শিকাগো স্টাইল (17 তম সংস্করণ) উদ্ধৃতিMinor, V. Christine, এবং William K. Purves. Study Guide to Accompany Life, the Science of Biology: By Purves, Sadava, Orians, and Heller. 6th ed. Sunderland, Mass., Gordonsville, Va: Sinauer Associates W.H. Freeman and Co. [distributor], 2001.
M.L.A (9 ম সংস্করণ) উদ্ধৃতিMinor, V. Christine, এবং William K. Purves. Study Guide to Accompany Life, the Science of Biology: By Purves, Sadava, Orians, and Heller. 6th ed. Sinauer Associates W.H. Freeman and Co. [distributor], 2001.
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