APA (7th ed.) Zitazioa

(1981). Introduction to highway hydraulics / U.S. Bureau of Public Roads.

Chicago Style (17th ed.) Zitazioa

Introduction to Highway Hydraulics / U.S. Bureau of Public Roads. 1981.

MLA (9th ed.) Zitazioa

Introduction to Highway Hydraulics / U.S. Bureau of Public Roads. 1981.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.