APA Citation

Widjaja, G. (2004). Jual Beli. Raja Grafindo Persada.

Chicago Style Citation

Widjaja, Gunawan. Jual Beli. Raja Grafindo Persada, 2004.

MLA Citation

Widjaja, Gunawan. Jual Beli. Raja Grafindo Persada, 2004.

Warning: These citations may not always be 100% accurate.