Gaya APA

Sasmedi, D. (2005). Improving The Students` Ability To Speak English Using Pictures Through Problem Based Instruction . Makassar: LPMP Sul-Sel Kerjasama Dengan UNM.

Gaya MLA

Sasmedi, Darwis. "Improving The Students` Ability To Speak English Using Pictures Through Problem Based Instruction". Makassar: LPMP Sul-Sel Kerjasama Dengan UNM, 2005. .