Williams, R. V. (1950). Folk songs of the four seasons: A cantata for women's voices with orchestral or pianoforte accompaniment. Oxford University Press.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रWilliams, Ralph Vaughan. Folk Songs of the Four Seasons: A Cantata for Women's Voices with Orchestral or Pianoforte Accompaniment. Oxford: Oxford University Press, 1950.
एमएलए (9वां संस्करण) प्रशस्ति पत्रWilliams, Ralph Vaughan. Folk Songs of the Four Seasons: A Cantata for Women's Voices with Orchestral or Pianoforte Accompaniment. Oxford University Press, 1950.
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