Gaya APA

Warning: Undefined variable $authors_string in /home/smanda/pustaka/template/akasia/citation/apa_style_template.php on line 21 Mengenal Alam Semesta. (2008). Jakarta Timur: Rizky Aditya.

Gaya MLA

Warning: Undefined variable $authors_string in /home/smanda/pustaka/template/akasia/citation/mla_style_template.php on line 21 Mengenal Alam Semesta. . Jakarta Timur: Rizky Aditya, 2008. Text.