Peil, J. (1999). Wheat and chaff from the early days of the Steyl Mission Institute. Operation Recovery.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रPeil, John. Wheat and Chaff from the Early Days of the Steyl Mission Institute. East Troy, WI: Operation Recovery, 1999.
एमएलए (8वां संस्करण) प्रशस्ति पत्रPeil, John. Wheat and Chaff from the Early Days of the Steyl Mission Institute. Operation Recovery, 1999.
चेतावनी: ये उद्धरण हमेशा 100% सटीक नहीं हो सकते हैं.