Gaya APA

Asron, . (2011). Developing Students' Speaking Skill Through Group-Investigation Technique Of The Eleventh Grade AT SMA Negeri Biromaru . Palu: Pascasarjana Untad.

Gaya MLA

Asron, . "Developing Students' Speaking Skill Through Group-Investigation Technique Of The Eleventh Grade AT SMA Negeri Biromaru". Palu: Pascasarjana Untad, 2011. .