APA-referens (7:e uppl.)

(1982). Rural roads development program II, final report: General vol. I I. [s.l.].

Chicago-referens (17:e uppl.)

Rural Roads Development Program II, Final Report: General Vol. I I. Norconsult A.S. and Renardet S.A: [s.l.], 1982.

MLA-referens (9:e uppl.)

Rural Roads Development Program II, Final Report: General Vol. I I. [s.l.], 1982.