Gaya APA

TIMMONS, J, A., SPINELLI, S. (2009). NEW VENTURE CREATION; Enterpreneurship for the 21st Century (8th). New York: MCGRAW-HILL.

Gaya MLA

TIMMONS, Jeffry, A., SPINELLI, Stephen. "NEW VENTURE CREATION; Enterpreneurship for the 21st Century". 8th New York: MCGRAW-HILL, 2009. Text.