Gaya APA

Ratna, . (2004). Students Ability In Using Tag Questions (A Case Study) . Makassar: Fak. Sastra 45 Makassar.

Gaya MLA

Ratna, . "Students Ability In Using Tag Questions (A Case Study)". Makassar: Fak. Sastra 45 Makassar, 2004. Text.