Gaya APA
English for Higher Education Level 2. ().
Jakarta:
Indogro Institute.
Gaya Chicago
English for Higher Education Level 2.
.
Jakarta:
Indogro Institute,
.
Text.
Gaya MLA
English for Higher Education Level 2.
.
Jakarta:
Indogro Institute,
.
Text.
Gaya Turabian
English for Higher Education Level 2.
Jakarta:
Indogro Institute,
.
Print.