APA (7 वां संस्करण) प्रशस्ति पत्र
Heldt, H., & Heldt, F. (2005). Plant biochemistry (An update and translation of the German third edition.). Elsevier Academic Press.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्र
Heldt, Hans-Walter, और Fiona Heldt. Plant Biochemistry. An update and translation of the German third edition. Amsterdam ; Boston: Elsevier Academic Press, 2005.
एमएलए (9वां संस्करण) प्रशस्ति पत्र
Heldt, Hans-Walter, और Fiona Heldt. Plant Biochemistry. An update and translation of the German third edition. Elsevier Academic Press, 2005.
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