Wallace, T. The diagnosis of mineral deficiencies in plants by visual symptoms: A colour atlas and guide (3a ed.).
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रWallace, T. The Diagnosis of Mineral Deficiencies in Plants by Visual Symptoms: A Colour Atlas and Guide. 3a ed.
एमएलए (8वां संस्करण) प्रशस्ति पत्रWallace, T. The Diagnosis of Mineral Deficiencies in Plants by Visual Symptoms: A Colour Atlas and Guide. 3a ed.
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