Gaya APA
Pieter A, Napa. (1996).
Vocabulary Development Skills (Cet.3).
Yogyakarta:
Kanisius.
Gaya Chicago
Pieter A, Napa.
Vocabulary Development Skills.
Cet.3
Yogyakarta:
Kanisius,
1996.
Text.
Gaya MLA
Pieter A, Napa.
Vocabulary Development Skills.
Cet.3
Yogyakarta:
Kanisius,
1996.
Text.
Gaya Turabian
Pieter A, Napa.
Vocabulary Development Skills.
Cet.3
Yogyakarta:
Kanisius,
1996.
Print.