Gaya APA
Nunan, David. (1998).
Listen in (Cet.1).
Singapura:
Tomson.
Gaya Chicago
Nunan, David.
Listen in.
Cet.1
Singapura:
Tomson,
1998.
Text.
Gaya MLA
Nunan, David.
Listen in.
Cet.1
Singapura:
Tomson,
1998.
Text.
Gaya Turabian
Nunan, David.
Listen in.
Cet.1
Singapura:
Tomson,
1998.
Print.