Gaya APA
Hidayatullah, .
(2009).
Hidayatullah : Ayo Pertahankan Takwa !
.
Surabaya:
Hidayatullah.
Gaya MLA
Hidayatullah, .
"Hidayatullah : Ayo Pertahankan Takwa !".
Surabaya:
Hidayatullah,
2009.
Text.