Gaya APA

Roberts, Michael J. et.al. (2007). New Business ventures and the entrepreneur sixth edition (sixth edition). Boston: McGraw-Hill Education.

Gaya Chicago

Roberts, Michael J. et.al. New Business ventures and the entrepreneur sixth edition. sixth edition Boston: McGraw-Hill Education, 2007. MM.

Gaya MLA

Roberts, Michael J. et.al. New Business ventures and the entrepreneur sixth edition. sixth edition Boston: McGraw-Hill Education, 2007. MM.

Gaya Turabian

Roberts, Michael J. et.al. New Business ventures and the entrepreneur sixth edition. sixth edition Boston: McGraw-Hill Education, 2007. MM.