Gaya APA
Napa, Pieter A. (1992).
How to answer English questions .
Yogyakarta:
Kanisius..
Gaya Chicago
Napa, Pieter A.
How to answer English questions.
Yogyakarta:
Kanisius.,
1992.
Text.
Gaya MLA
Napa, Pieter A.
How to answer English questions.
Yogyakarta:
Kanisius.,
1992.
Text.
Gaya Turabian
Napa, Pieter A.
How to answer English questions.
Yogyakarta:
Kanisius.,
1992.
Print.