ALLEN ROBERT G. (2006). CREATING WEALTH: RETIRE IN TEN YEARS USING ALLEN`S SEVEN PRINCIPLES OF WEALTH. FREE PRESS.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रALLEN ROBERT G. CREATING WEALTH: RETIRE IN TEN YEARS USING ALLEN`S SEVEN PRINCIPLES OF WEALTH. NEW YORK: FREE PRESS, 2006.
एमएलए (9वां संस्करण) प्रशस्ति पत्रALLEN ROBERT G. CREATING WEALTH: RETIRE IN TEN YEARS USING ALLEN`S SEVEN PRINCIPLES OF WEALTH. FREE PRESS, 2006.
चेतावनी: ये उद्धरण हमेशा 100% सटीक नहीं हो सकते हैं.