Sandler, C., & Keefe, J. (2004). 1001 letters for all occasions: The best models for every business and personal need. Adams Media.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रSandler, Corey, और Janice Keefe. 1001 Letters for All Occasions: The Best Models for Every Business and Personal Need. Avon, Mass: Adams Media, 2004.
एमएलए (9वां संस्करण) प्रशस्ति पत्रSandler, Corey, और Janice Keefe. 1001 Letters for All Occasions: The Best Models for Every Business and Personal Need. Adams Media, 2004.
चेतावनी: ये उद्धरण हमेशा 100% सटीक नहीं हो सकते हैं.