Gaya APA

Warning: Undefined variable $authors_string in /home/smanda/pustaka/template/akasia/citation/apa_style_template.php on line 21 Step by Step to Speak English. (2006). Klaten: Citra Aji Parama.

Gaya MLA

Warning: Undefined variable $authors_string in /home/smanda/pustaka/template/akasia/citation/mla_style_template.php on line 21 Step by Step to Speak English. . Klaten: Citra Aji Parama, 2006. Text.