Cloud, H. (2004). 9 things you simply must do: To succeed in love and life : a psychologist probes the mystery of why some lives really work and others don't. Integrity Pub..
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)Cloud, Henry. 9 Things You Simply Must Do: To Succeed in Love and Life : A Psychologist Probes the Mystery of Why Some Lives Really Work and Others Don't. Nashville, Tenn.: Integrity Pub., 2004.
توثيق جمعية اللغة المعاصرة MLA (الطبعة الثامنة)Cloud, Henry. 9 Things You Simply Must Do: To Succeed in Love and Life : A Psychologist Probes the Mystery of Why Some Lives Really Work and Others Don't. Integrity Pub., 2004.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.