Raab, B., & Olten, M. (2006). Where does pepper come from? North-South Books.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रRaab, Brigitte, और Manuela Olten. Where Does Pepper Come from? New York: North-South Books, 2006.
एमएलए (8वां संस्करण) प्रशस्ति पत्रRaab, Brigitte, और Manuela Olten. Where Does Pepper Come from? North-South Books, 2006.
चेतावनी: ये उद्धरण हमेशा 100% सटीक नहीं हो सकते हैं.