Colwell, P. G. (2002). Spell success in your life: A road map for achieving your goals and surviving success. Dreams Unlimited Press, Manjur Publishing House.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रColwell, Peter G. Spell Success in Your Life: A Road Map for Achieving Your Goals and Surviving Success. Germantown, Md. : Bhopal: Dreams Unlimited Press, Manjur Publishing House, 2002.
एमएलए (8वां संस्करण) प्रशस्ति पत्रColwell, Peter G. Spell Success in Your Life: A Road Map for Achieving Your Goals and Surviving Success. Dreams Unlimited Press, Manjur Publishing House, 2002.
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