Cita APA (7th ed.)

WIDARSO, W., & MARIANI, L. (1997). Complete english grammar. Kanisius.

Cita Chicago (17th ed.)

WIDARSO, Wishnusubroto, i Lulut MARIANI. Complete English Grammar. Yogyakarta: Kanisius, 1997.

Cita MLA (9th ed.)

WIDARSO, Wishnusubroto, i Lulut MARIANI. Complete English Grammar. Kanisius, 1997.