Gaya APA
Harahap, Sofyan Syafri. (2011).
Islamic Economics (Ed. 1).
Jakarta:
LPFE Trisakti.
Gaya Chicago
Harahap, Sofyan Syafri.
Islamic Economics.
Ed. 1
Jakarta:
LPFE Trisakti,
2011.
Text.
Gaya MLA
Harahap, Sofyan Syafri.
Islamic Economics.
Ed. 1
Jakarta:
LPFE Trisakti,
2011.
Text.
Gaya Turabian
Harahap, Sofyan Syafri.
Islamic Economics.
Ed. 1
Jakarta:
LPFE Trisakti,
2011.
Print.