Não informado. (2000). Technical communication. Imperial Bureau of Horticulture and Plantation Crops.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रNão informado. Technical Communication. East Malling, Inglaterra: Imperial Bureau of Horticulture and Plantation Crops, 2000.
एमएलए (8वां संस्करण) प्रशस्ति पत्रNão informado. Technical Communication. Imperial Bureau of Horticulture and Plantation Crops, 2000.
चेतावनी: ये उद्धरण हमेशा 100% सटीक नहीं हो सकते हैं.