Gaya APA
Gulen, M. Fethullah. (2000).
Essentials of the Islamic faith / M. Fethullah Gulen .
Virginia:
The Fountain.
Gaya Chicago
Gulen, M. Fethullah.
Essentials of the Islamic faith / M. Fethullah Gulen.
Virginia:
The Fountain,
2000.
Buku.
Gaya MLA
Gulen, M. Fethullah.
Essentials of the Islamic faith / M. Fethullah Gulen.
Virginia:
The Fountain,
2000.
Buku.
Gaya Turabian
Gulen, M. Fethullah.
Essentials of the Islamic faith / M. Fethullah Gulen.
Virginia:
The Fountain,
2000.
Buku.