APA (7th ed.) Citation

Indrayana, D. (2011). Indonesia Optimis. Bhuana Ilmu Populer.

Chicago Style (17th ed.) Citation

Indrayana, Denny. Indonesia Optimis. Bhuana Ilmu Populer, 2011.

MLA (8th ed.) Citation

Indrayana, Denny. Indonesia Optimis. Bhuana Ilmu Populer, 2011.

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