Gaya APA
Helmy, Musthafa. (1984).
Kitab usfuriah .
Jakarta:
Pustaka Firdaus.
Gaya Chicago
Helmy, Musthafa.
Kitab usfuriah.
Jakarta:
Pustaka Firdaus,
1984.
Text.
Gaya MLA
Helmy, Musthafa.
Kitab usfuriah.
Jakarta:
Pustaka Firdaus,
1984.
Text.
Gaya Turabian
Helmy, Musthafa.
Kitab usfuriah.
Jakarta:
Pustaka Firdaus,
1984.
Print.