APA Citation

Hutagalung, R. B., Situmorang, S. H., & Frida Ramadani. (2010). Kewirausahaan. Medan: USU Press.

Chicago Style Citation

Hutagalung, Raja Bongsu, Syafrizal Helmi Situmorang, and Frida Ramadani. Kewirausahaan. Medan: USU Press, 2010.

MLA Citation

Hutagalung, Raja Bongsu, Syafrizal Helmi Situmorang, and Frida Ramadani. Kewirausahaan. Medan: USU Press, 2010.

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