APA aipamena

DEVELOPMENT OF A HIGHWAY.. (2004). Development of a highway safety manual. [s.n].

Chicago Style aipamena

DEVELOPMENT OF A HIGHWAY.. Development of a Highway Safety Manual. [s.l]: [s.n], 2004.

MLA aipamena

DEVELOPMENT OF A HIGHWAY.. Development of a Highway Safety Manual. [s.n], 2004.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.