Gaya APA

Warning: Undefined variable $authors_string in /home/smanda/pustaka/template/akasia/citation/apa_style_template.php on line 21 100% Bisa Selalu Berfikir Positif. (2011). Jogjakarta: Diva Press.

Gaya MLA

Warning: Undefined variable $authors_string in /home/smanda/pustaka/template/akasia/citation/mla_style_template.php on line 21 100% Bisa Selalu Berfikir Positif. . Jogjakarta: Diva Press, 2011. Text.