Penggayaan APA

SINATRA, Arni Ferra. (2009). Optimizing task-based activitu to improve students speaking ability: A classroom action research at . : Universitas Sebelas Maret.

Chicago Style

SINATRA, Arni Ferra. Optimizing task-based activitu to improve students speaking ability: A classroom action research at. : Universitas Sebelas Maret, 2009. Skripsi.

MLA Style

SINATRA, Arni Ferra. Optimizing task-based activitu to improve students speaking ability: A classroom action research at. : Universitas Sebelas Maret, 2009. Skripsi.

Turabian Style

SINATRA, Arni Ferra. Optimizing task-based activitu to improve students speaking ability: A classroom action research at. : Universitas Sebelas Maret, 2009. Skripsi.