Service, R. W. (1907). Songs of a sourdough (Illustrated ed.). William Briggs.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रService, Robert W. Songs of a Sourdough. Illustrated ed. Toronto: William Briggs, 1907.
एमएलए (8वां संस्करण) प्रशस्ति पत्रService, Robert W. Songs of a Sourdough. Illustrated ed. William Briggs, 1907.
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