APA aipamena

Gutterman, A. S. (2018). Entrepreneurship. New York, NY.: Business Expert Press.

Chicago Style aipamena

Gutterman, Alan S. Entrepreneurship. New York, NY.: Business Expert Press, 2018.

MLA aipamena

Gutterman, Alan S. Entrepreneurship. New York, NY.: Business Expert Press, 2018.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.