Passing and no-passing zones :
signs, markings, and warrants /
Graeme D. Weaver ... [et al.].
APA Citation
Weaver, G. D., United States. Federal Highway Administration., Texas Transportation Institute. (1977). Passing and no-passing zones: signs, markings, and warrants. College Station, Tex.: Texas Transportation Institute.
MLA Citation
Weaver, Graeme D, United States. Federal Highway Administration, and Texas Transportation Institute. Passing And No-passing Zones: Signs, Markings, And Warrants. College Station, Tex.: Texas Transportation Institute, 1977.
Warning: These citations may not always be complete (especially for serials).