APA (7 वां संस्करण) प्रशस्ति पत्र

Marsh, K. (2017). The door by the staircase (First paperback edition.). Disney/Hyperion.

शिकागो शैली (17वां संस्करण) प्रशस्ति पत्र

Marsh, Katherine. The Door by the Staircase. First paperback edition. Los Angeles: Disney/Hyperion, 2017.

एमएलए (8वां संस्करण) प्रशस्ति पत्र

Marsh, Katherine. The Door by the Staircase. First paperback edition. Disney/Hyperion, 2017.

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