Gaya APA

Murtipani, W. (2003). Students Ability In Using Modal Auxiliaries (A Case Studi) . Makassar: Fak. Sastra 45 Makassar.

Gaya MLA

Murtipani, Wahyudi. "Students Ability In Using Modal Auxiliaries (A Case Studi)". Makassar: Fak. Sastra 45 Makassar, 2003. Text.