Gaya APA

WARDOYO, . (2006). Improving vocabolary mastery through the use of pictures (A classroom action research in the fifth.. . : Sebelas Maret University.

Gaya MLA

WARDOYO, . "Improving vocabolary mastery through the use of pictures (A classroom action research in the fifth..". : Sebelas Maret University, 2006. Skripsi.