APA ציטוט

James Jennifer,PH.D. (1999). Twenty Steps To Wisdom. Jakarta: PT.Gramedia Pustaka Utama.

Chicago Style Citation

James Jennifer,PH.D. Twenty Steps To Wisdom. Jakarta: PT.Gramedia Pustaka Utama, 1999.

ציטוט MLA

James Jennifer,PH.D. Twenty Steps To Wisdom. Jakarta: PT.Gramedia Pustaka Utama, 1999.