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.
Chicago-Zitierstil (17. Ausg.)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.
MLA-Zitierstil (8. Ausg.)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.