APA aipamena

Osborne, D. (1990). Laboratories of democracy. Harvard Business School Press.

Chicago Style aipamena

Osborne, David. Laboratories of Democracy. Boston, Mass: Harvard Business School Press, 1990.

MLA aipamena

Osborne, David. Laboratories of Democracy. Harvard Business School Press, 1990.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.