APA aipamena

Kilby, P. (1971). Entrepreneurship and economic development. New York: Free Press.

Chicago Style aipamena

Kilby, Peter. Entrepreneurship and Economic Development. New York: Free Press, 1971.

MLA aipamena

Kilby, Peter. Entrepreneurship and Economic Development. New York: Free Press, 1971.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.