Gaya APA

Warning: Undefined variable $authors_string in /home/smanda/pustaka/template/akasia/citation/apa_style_template.php on line 21 Ilmu Pengetahuan Populer 4. (1988). : Widyadara.

Gaya MLA

Warning: Undefined variable $authors_string in /home/smanda/pustaka/template/akasia/citation/mla_style_template.php on line 21 Ilmu Pengetahuan Populer 4. . : Widyadara, 1988. Text.