APA Citation

Gunawan, A. (2009). Surat-surat Bisnis. Best Publisher.

Chicago Style Citation

Gunawan, Aulia. Surat-surat Bisnis. Best Publisher, 2009.

MLA Citation

Gunawan, Aulia. Surat-surat Bisnis. Best Publisher, 2009.

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