APA aipamena

National Research Council. (1992). Maintenance management, traffic safety, and snow removal. Washington, DC : National Academy Press.

Chicago Style aipamena

National Research Council. Maintenance Management, Traffic Safety, and Snow Removal. Washington, DC : National Academy Press, 1992.

MLA aipamena

National Research Council. Maintenance Management, Traffic Safety, and Snow Removal. Washington, DC : National Academy Press, 1992.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.