Marianayagam, M. (2025). No purchase necessary (First edition.). Harper, an imprint of HarperCollins Publishers.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रMarianayagam, Maria. No Purchase Necessary. First edition. New York, NY: Harper, an imprint of HarperCollins Publishers, 2025.
एमएलए (8वां संस्करण) प्रशस्ति पत्रMarianayagam, Maria. No Purchase Necessary. First edition. Harper, an imprint of HarperCollins Publishers, 2025.
चेतावनी: ये उद्धरण हमेशा 100% सटीक नहीं हो सकते हैं.