Gymnastiar, A. (2004). Jagalah Hati: MQ for Beginners/ Abdullah Gymnastiar; editor, Bambang Trim. Bandung: MQS Publishing.
Lua i Stíl Chicago (17ú heag.)Gymnastiar, Abdullah. Jagalah Hati: MQ for Beginners/ Abdullah Gymnastiar; Editor, Bambang Trim. Bandung: MQS Publishing, 2004.
Lua MLA (8ú heag.)Gymnastiar, Abdullah. Jagalah Hati: MQ for Beginners/ Abdullah Gymnastiar; Editor, Bambang Trim. Bandung: MQS Publishing, 2004.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.