Gaya APA

Warning: Undefined variable $authors_string in /home/perpus11/public_html/template/maryam/citation/apa_style_template.php on line 21
Essentials of Ecology. (2004). solo: Riyan jaya surabaya.

Gaya MLA

Warning: Undefined variable $authors_string in /home/perpus11/public_html/template/maryam/citation/mla_style_template.php on line 21
Essentials of Ecology. . solo: Riyan jaya surabaya, 2004. .