Gaya APA

Nanik, S, R. (2010). Improving students toeic score through cooperative leaning (An action research ar grade twelve of . : Universitas Sebelas Maret.

Gaya MLA

Nanik, SRI, RETNANINGSIH,. "Improving students toeic score through cooperative leaning (An action research ar grade twelve of". : Universitas Sebelas Maret, 2010. Skripsi.