George, P. P. (1996). Prevalence of severe mental disorders among males serving long-term sentences in a Malaysian prison. Universiti Kebangsaan Malaysia.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)George, Parikial Philip. Prevalence of Severe Mental Disorders Among Males Serving Long-term Sentences in a Malaysian Prison. Kuala Lumpur: Universiti Kebangsaan Malaysia, 1996.
توثيق جمعية اللغة المعاصرة MLA (الطبعة الثامنة)George, Parikial Philip. Prevalence of Severe Mental Disorders Among Males Serving Long-term Sentences in a Malaysian Prison. Universiti Kebangsaan Malaysia, 1996.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.