Muhammad. (2006). Silsilah Amalan Hati: Ikhlas, Tawakkal, Optimis, Takut, Bersyukur, Ridha, Sabar, Introspeksi Diri, Tafakkur, Mahabbah, Taqwa, Wara'/ Muhammad; penerjemah Bahrun Abu Bakar Ihzan Zubaidi; editor, Sumbodo. Jakarta: Irsyad Baitus Salam.
Παραπομπή σε μορφή Chicago (17η εκδ.)Muhammad. Silsilah Amalan Hati: Ikhlas, Tawakkal, Optimis, Takut, Bersyukur, Ridha, Sabar, Introspeksi Diri, Tafakkur, Mahabbah, Taqwa, Wara'/ Muhammad; Penerjemah Bahrun Abu Bakar Ihzan Zubaidi; Editor, Sumbodo. Jakarta: Irsyad Baitus Salam, 2006.
Παραπομπή σε μορφή MLA (8th εκδ.)Muhammad. Silsilah Amalan Hati: Ikhlas, Tawakkal, Optimis, Takut, Bersyukur, Ridha, Sabar, Introspeksi Diri, Tafakkur, Mahabbah, Taqwa, Wara'/ Muhammad; Penerjemah Bahrun Abu Bakar Ihzan Zubaidi; Editor, Sumbodo. Jakarta: Irsyad Baitus Salam, 2006.