Gaya APA
Ahmad Hasbullah,S.S dkk. ().
.
Upper Saddle River, NJ:
Prentice Hall.
Gaya Chicago
Ahmad Hasbullah,S.S dkk.
.
Upper Saddle River, NJ:
Prentice Hall,
.
.
Gaya MLA
Ahmad Hasbullah,S.S dkk.
.
Upper Saddle River, NJ:
Prentice Hall,
.
.
Gaya Turabian
Ahmad Hasbullah,S.S dkk.
.
Upper Saddle River, NJ:
Prentice Hall,
.
.