Gaya APA
al-Attar, Chairul. (2006).
Sang Penatap Langit .
Jakarta:
Najah.
Gaya Chicago
al-Attar, Chairul.
Sang Penatap Langit.
Jakarta:
Najah,
2006.
Text.
Gaya MLA
al-Attar, Chairul.
Sang Penatap Langit.
Jakarta:
Najah,
2006.
Text.
Gaya Turabian
al-Attar, Chairul.
Sang Penatap Langit.
Jakarta:
Najah,
2006.
Print.