Gaya APA

Enriching students vocabulary acquisition to improve students' achievement in English for VII grade students at SMP N 19 Surakarta. (2010). : Universitas Sebelas Maret.

Gaya MLA

Enriching students vocabulary acquisition to improve students' achievement in English for VII grade students at SMP N 19 Surakarta. . : Universitas Sebelas Maret, 2010. TA.