APA

National Transportation Safety Board. Highway accident report. NTSB-HAR 1984:06, . (1984). Activity bus/tractor-cargo tank semitrailer collision, state route 61 near Devers, Texas, December 23, 1983. Washington DC: National Transportation Safety Board. Highway accident report. NTSB-HAR 1984:06.

Chicago

National Transportation Safety Board. Highway accident report. NTSB-HAR 1984:06, . 1984. Activity bus/tractor-cargo tank semitrailer collision, state route 61 near Devers, Texas, December 23, 1983. Washington DC: National Transportation Safety Board. Highway accident report. NTSB-HAR 1984:06.

Harvard

National Transportation Safety Board. Highway accident report. NTSB-HAR 1984:06, . (1984). Activity bus/tractor-cargo tank semitrailer collision, state route 61 near Devers, Texas, December 23, 1983. Washington DC: National Transportation Safety Board. Highway accident report. NTSB-HAR 1984:06.

MLA

National Transportation Safety Board. Highway accident report. NTSB-HAR 1984:06, . Activity bus/tractor-cargo tank semitrailer collision, state route 61 near Devers, Texas, December 23, 1983. Washington DC: National Transportation Safety Board. Highway accident report. NTSB-HAR 1984:06. 1984.