Gymnastiar, A. (2004). Jagalah Hati: MQ for Beginners/ Abdullah Gymnastiar; editor, Bambang Trim. Bandung: MQS Publishing.
Chicago Style aipamenaGymnastiar, Abdullah. Jagalah Hati: MQ for Beginners/ Abdullah Gymnastiar; Editor, Bambang Trim. Bandung: MQS Publishing, 2004.
MLA aipamenaGymnastiar, Abdullah. Jagalah Hati: MQ for Beginners/ Abdullah Gymnastiar; Editor, Bambang Trim. Bandung: MQS Publishing, 2004.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.