James Jennifer,PH.D. (1999). Twenty Steps To Wisdom. Jakarta: PT.Gramedia Pustaka Utama.
Chicago Style CitationJames Jennifer,PH.D. Twenty Steps To Wisdom. Jakarta: PT.Gramedia Pustaka Utama, 1999.
MLA引文James Jennifer,PH.D. Twenty Steps To Wisdom. Jakarta: PT.Gramedia Pustaka Utama, 1999.
警告:这些引文格式不一定是100%准确.