Gaya APA

Roberts, M, J. (2007). New Business Ventures and the Entrepreneur / Michael J Roberts, Stevenson, Howard H..[et.al] (Edisi.7). New York: Mc Graw Hill.

Gaya MLA

Roberts, Michael, J. "New Business Ventures and the Entrepreneur / Michael J Roberts, Stevenson, Howard H..[et.al]". Edisi.7 New York: Mc Graw Hill, 2007. Buku.