Christie, A. (2020). The mysterious affair at Styles: The First Hercule Poirot mystery (Second William Morrow Paperback edition.). William Morrow, An Imprint of HarperCollins Publishers.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रChristie, Agatha. The Mysterious Affair at Styles: The First Hercule Poirot Mystery. Second William Morrow Paperback edition. New York: William Morrow, An Imprint of HarperCollins Publishers, 2020.
एमएलए (8वां संस्करण) प्रशस्ति पत्रChristie, Agatha. The Mysterious Affair at Styles: The First Hercule Poirot Mystery. Second William Morrow Paperback edition. William Morrow, An Imprint of HarperCollins Publishers, 2020.
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