APA

Crottaz R., . (1977). Road types and their effect on the design of road projects according to Swiss standards. : Geometric road design standards. Proceedings [OECD].

Chicago

Crottaz R, . 1977. Road types and their effect on the design of road projects according to Swiss standards. : Geometric road design standards. Proceedings [OECD].

Harvard

Crottaz R., . (1977). Road types and their effect on the design of road projects according to Swiss standards. : Geometric road design standards. Proceedings [OECD].

MLA

Crottaz R, . Road types and their effect on the design of road projects according to Swiss standards. : Geometric road design standards. Proceedings [OECD]. 1977.