Gaya APA
Anita Lie, Dkk. (2002).
English Via Enviromental Education .
Jakarta:
PT. Grasindo.
Gaya Chicago
Anita Lie, Dkk.
English Via Enviromental Education.
Jakarta:
PT. Grasindo,
2002.
Text.
Gaya MLA
Anita Lie, Dkk.
English Via Enviromental Education.
Jakarta:
PT. Grasindo,
2002.
Text.
Gaya Turabian
Anita Lie, Dkk.
English Via Enviromental Education.
Jakarta:
PT. Grasindo,
2002.
Print.