(2008). Bulletin of University of Agricultural Sciences and Veterinary Medicine Cluj-Napoca: Volume 65, Agriculture. 2.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रBulletin of University of Agricultural Sciences and Veterinary Medicine Cluj-Napoca: Volume 65, Agriculture. 2. 2008.
एमएलए (9वां संस्करण) प्रशस्ति पत्रBulletin of University of Agricultural Sciences and Veterinary Medicine Cluj-Napoca: Volume 65, Agriculture. 2. 2008.
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