Gaya APA
Case, Doug. (2002).
Let's Speak English Jilid.1 (Cet.21).
Jakarta:
PT. Gramedia Pustaka Umum.
Gaya Chicago
Case, Doug.
Let's Speak English Jilid.1.
Cet.21
Jakarta:
PT. Gramedia Pustaka Umum,
2002.
Text.
Gaya MLA
Case, Doug.
Let's Speak English Jilid.1.
Cet.21
Jakarta:
PT. Gramedia Pustaka Umum,
2002.
Text.
Gaya Turabian
Case, Doug.
Let's Speak English Jilid.1.
Cet.21
Jakarta:
PT. Gramedia Pustaka Umum,
2002.
Print.