CRUEGER WULF AND CRUEGER ANNELIESE. (2005). BIOTECHNOLOGY A TEXT BOOK OF INDUSTRIAL MICROBIOLOGY (2nd.). PANIMA PUBLISHING , NEW DELHI.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रCRUEGER WULF AND CRUEGER ANNELIESE. BIOTECHNOLOGY A TEXT BOOK OF INDUSTRIAL MICROBIOLOGY. 2nd. PANIMA PUBLISHING , NEW DELHI, 2005.
एमएलए (9वां संस्करण) प्रशस्ति पत्रCRUEGER WULF AND CRUEGER ANNELIESE. BIOTECHNOLOGY A TEXT BOOK OF INDUSTRIAL MICROBIOLOGY. 2nd. PANIMA PUBLISHING , NEW DELHI, 2005.
चेतावनी: ये उद्धरण हमेशा 100% सटीक नहीं हो सकते हैं.