Gaya APA

Toparena, E, P. (2012). Improving writing descriptive text ability through picture of the seventh grade students at SMP N 4 palu . Palu, Indonesia: Pascasarjana Universitas Tadulako.

Gaya MLA

Toparena, Elfin, Popi. "Improving writing descriptive text ability through picture of the seventh grade students at SMP N 4 palu". Palu, Indonesia: Pascasarjana Universitas Tadulako, 2012. TESIS.