Dyfyniad APA
National Cooperative Highway Research Program & ebrary, Inc. (1995). Interim guide for developing a state transportation research manual. National Academies Press.
Dyfyniad Arddull Chicago
National Cooperative Highway Research Program and Inc ebrary. Interim Guide for Developing a State Transportation Research Manual. [S.l.]: National Academies Press, 1995.
Dyfyniad MLA
National Cooperative Highway Research Program and Inc ebrary. Interim Guide for Developing a State Transportation Research Manual. National Academies Press, 1995.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.