Warner, J. (2019). The writer's practice: Building confidence in your nonfiction writing. Penguin Books.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रWarner, John. The Writer's Practice: Building Confidence in Your Nonfiction Writing. [New York, New York]: Penguin Books, 2019.
एमएलए (8वां संस्करण) प्रशस्ति पत्रWarner, John. The Writer's Practice: Building Confidence in Your Nonfiction Writing. Penguin Books, 2019.
चेतावनी: ये उद्धरण हमेशा 100% सटीक नहीं हो सकते हैं.