Gaya APA
Napa, Pieter A.. (1991).
Basic English Grammar: With Clear Explanation, Examples and Exercises .
Yogyakarta:
PT Kanisius.
Gaya Chicago
Napa, Pieter A..
Basic English Grammar: With Clear Explanation, Examples and Exercises.
Yogyakarta:
PT Kanisius,
1991.
Texts.
Gaya MLA
Napa, Pieter A..
Basic English Grammar: With Clear Explanation, Examples and Exercises.
Yogyakarta:
PT Kanisius,
1991.
Texts.
Gaya Turabian
Napa, Pieter A..
Basic English Grammar: With Clear Explanation, Examples and Exercises.
Yogyakarta:
PT Kanisius,
1991.
Texts.