Gardner, W. (2021). Long distance (First Simon & Schuster Books for Young Readers hardcover edition.). Simon & Schuster Books for Young Readers.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रGardner, Whitney. Long Distance. First Simon & Schuster Books for Young Readers hardcover edition. New York: Simon & Schuster Books for Young Readers, 2021.
एमएलए (8वां संस्करण) प्रशस्ति पत्रGardner, Whitney. Long Distance. First Simon & Schuster Books for Young Readers hardcover edition. Simon & Schuster Books for Young Readers, 2021.
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