Ringwald, R., & Whittier, J. G. (1969). O brother man. For two-part voices (SA or TB) with piano or organ. Shawnee Press.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रRingwald, Roy, और John Greenleaf Whittier. O Brother Man. For Two-part Voices (SA or TB) with Piano or Organ. Delaware Water Gap, Pa: Shawnee Press, 1969.
एमएलए (9वां संस्करण) प्रशस्ति पत्रRingwald, Roy, और John Greenleaf Whittier. O Brother Man. For Two-part Voices (SA or TB) with Piano or Organ. Shawnee Press, 1969.
चेतावनी: ये उद्धरण हमेशा 100% सटीक नहीं हो सकते हैं.