National Land Traffic Safety Convention Bacolod City. (1976). 6th national land traffic safety convention: A final report. s.n.].
Chicago-referens (17:e uppl.)National Land Traffic Safety Convention Bacolod City. 6th National Land Traffic Safety Convention: A Final Report. [S.l: s.n.], 1976.
MLA-referens (9:e uppl.)National Land Traffic Safety Convention Bacolod City. 6th National Land Traffic Safety Convention: A Final Report. s.n.], 1976.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.