Macdonald, H. (2020). Vesper flights: New and collected essays (First Grove Atlantic hardcover edition.). Grove Press.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रMacdonald, Helen. Vesper Flights: New and Collected Essays. First Grove Atlantic hardcover edition. New York: Grove Press, 2020.
एमएलए (8वां संस्करण) प्रशस्ति पत्रMacdonald, Helen. Vesper Flights: New and Collected Essays. First Grove Atlantic hardcover edition. Grove Press, 2020.
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