APA (7th ed.) Citation

Napa, P. A. (1991). Vocabulary Development Skills/ Pieter A. Napa. Yogyakarta: Kanisius.

Chicago Style (17th ed.) Citation

Napa, Pieter A. Vocabulary Development Skills/ Pieter A. Napa. Yogyakarta: Kanisius, 1991.

MLA (8th ed.) Citation

Napa, Pieter A. Vocabulary Development Skills/ Pieter A. Napa. Yogyakarta: Kanisius, 1991.

Warning: These citations may not always be 100% accurate.