LAKEIN ALAN. (1974). HOW TO GET CONTROL OF YOUR TIME & YOUR LIFE. SIGNET BOOK.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रLAKEIN ALAN. HOW TO GET CONTROL OF YOUR TIME & YOUR LIFE. NEW YORK: SIGNET BOOK, 1974.
एमएलए (9वां संस्करण) प्रशस्ति पत्रLAKEIN ALAN. HOW TO GET CONTROL OF YOUR TIME & YOUR LIFE. SIGNET BOOK, 1974.
चेतावनी: ये उद्धरण हमेशा 100% सटीक नहीं हो सकते हैं.