APA (7th ed.) Citation

Widarso, W., & Mariani, L. (1994). Complete English grammar. Kanisius.

Chicago Style (17th ed.) Citation

Widarso, Wishnubroto, and Luhut Mariani. Complete English Grammar. Kanisius, 1994.

MLA (8th ed.) Citation

Widarso, Wishnubroto, and Luhut Mariani. Complete English Grammar. Kanisius, 1994.

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