Gaya APA
f.Shaker, A. (2016).
Al-Gazali on vigilance and self examination kitab al-muraqaba wal muhasabah .
Canada:
Cambridge.
Gaya MLA
f.Shaker, Anthony.
"Al-Gazali on vigilance and self examination kitab al-muraqaba wal muhasabah".
Canada:
Cambridge,
2016.
Buku.