Gaya APA
Emalia I Sukarni, dkk. (2007).
Happy With English 3 .
Jakarta:
Ganeca.
Gaya Chicago
Emalia I Sukarni, dkk.
Happy With English 3.
Jakarta:
Ganeca,
2007.
Buku.
Gaya MLA
Emalia I Sukarni, dkk.
Happy With English 3.
Jakarta:
Ganeca,
2007.
Buku.
Gaya Turabian
Emalia I Sukarni, dkk.
Happy With English 3.
Jakarta:
Ganeca,
2007.
Buku.