Gaya APA
Renn, Diana. (2003).
Contemporary English book 4 (2nd ed).
Illinois:
McGraw-Hill.
Gaya Chicago
Renn, Diana.
Contemporary English book 4.
2nd ed
Illinois:
McGraw-Hill,
2003.
Text.
Gaya MLA
Renn, Diana.
Contemporary English book 4.
2nd ed
Illinois:
McGraw-Hill,
2003.
Text.
Gaya Turabian
Renn, Diana.
Contemporary English book 4.
2nd ed
Illinois:
McGraw-Hill,
2003.
Print.