Gaya APA

Warning: Undefined variable $authors_string in /home/smanda/pustaka/template/akasia/citation/apa_style_template.php on line 21 Alam Sekitar Kita. (2009). Jakarta: Gading Inti Prima.

Gaya MLA

Warning: Undefined variable $authors_string in /home/smanda/pustaka/template/akasia/citation/mla_style_template.php on line 21 Alam Sekitar Kita. . Jakarta: Gading Inti Prima, 2009. Text.