Gaya APA
A Short Description of Pondok Modern Gontor (Islamic Educational Institution. (1980).
Jawa Timur:
Gontor Ponorogo Indonesia.
Gaya MLA
A Short Description of Pondok Modern Gontor (Islamic Educational Institution.
cet. 2.
Jawa Timur:
Gontor Ponorogo Indonesia,
1980.
Text.