APA aipamena

WATSON, J. (1994). Highway Construction & Maintenance John Watson. John Willey & Sons.

Chicago Style aipamena

WATSON, John. Highway Construction & Maintenance John Watson. John Willey & Sons, 1994.

MLA aipamena

WATSON, John. Highway Construction & Maintenance John Watson. John Willey & Sons, 1994.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.