Gaya APA
Mustofa, Agus. (2010).
Ngaji online .
Surabaya:
Padma Pres.
Gaya Chicago
Mustofa, Agus.
Ngaji online.
Surabaya:
Padma Pres,
2010.
Text.
Gaya MLA
Mustofa, Agus.
Ngaji online.
Surabaya:
Padma Pres,
2010.
Text.
Gaya Turabian
Mustofa, Agus.
Ngaji online.
Surabaya:
Padma Pres,
2010.
Print.