Gaya APA

Warning: Undefined variable $authors_string in /var/www/html/template/default-blue/citation/apa_style_template.php on line 21
Hukum Perjanjian. (1991). Jakarta_: Intermasa.

Gaya MLA

Warning: Undefined variable $authors_string in /var/www/html/template/default-blue/citation/mla_style_template.php on line 21
Hukum Perjanjian. cet. 13. Jakarta_: Intermasa, 1991. Buku Teks.