Gaya APA

Westhead, P., Wright, M. (2013). Entrepreneurship (A Very Short Introduction) (Cet. Pertama). United States of America: Oxford University Press.

Gaya MLA

Westhead, Paul., Wright, Mike. "Entrepreneurship (A Very Short Introduction)". Cet. Pertama United States of America: Oxford University Press, 2013. E-Book.