APA
American Public Transit Association, Annual meeting 1983 & [U.S. Department of Transportation]. (1983). Transit productivity program. APTA Annual metting, Denver, Colorado, October 1983. Session 1-3. uo: American Public Transit Association.
Chicago
American Public Transit Association, Annual meeting 1983 and [U.S. Department of Transportation]. 1983. Transit productivity program. APTA Annual metting, Denver, Colorado, October 1983. Session 1-3. uo: American Public Transit Association.
Harvard
American Public Transit Association, Annual meeting 1983 and [U.S. Department of Transportation]. (1983). Transit productivity program. APTA Annual metting, Denver, Colorado, October 1983. Session 1-3. uo: American Public Transit Association.
MLA
American Public Transit Association, Annual meeting 1983 and [U.S. Department of Transportation]. Transit productivity program. APTA Annual metting, Denver, Colorado, October 1983. Session 1-3. uo: American Public Transit Association. 1983.