Gaya APA
Purnomo, Wahyu. (1997).
CREATIVE, ENGLISH, CONVERSATION (Pertama).
Surabaya:
Amelia.
Gaya Chicago
Purnomo, Wahyu.
CREATIVE, ENGLISH, CONVERSATION.
Pertama
Surabaya:
Amelia,
1997.
Text.
Gaya MLA
Purnomo, Wahyu.
CREATIVE, ENGLISH, CONVERSATION.
Pertama
Surabaya:
Amelia,
1997.
Text.
Gaya Turabian
Purnomo, Wahyu.
CREATIVE, ENGLISH, CONVERSATION.
Pertama
Surabaya:
Amelia,
1997.
Print.