Wickson, E. J. (1921). The california fruits and how to grow them (Ninth edition.). Pacific Rural.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रWickson, Edward J.. The California Fruits and How to Grow Them. Ninth edition. San Francisco: Pacific Rural, 1921.
एमएलए (9वां संस्करण) प्रशस्ति पत्रWickson, Edward J.. The California Fruits and How to Grow Them. Ninth edition. Pacific Rural, 1921.
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