Cita APA

Wiegand, D. M. (2010). Special safety concerns of the school bus industry: A synthesis of safety practice. Washington, D.C.: Transportation Research Board.

Citación estilo Chicago

Wiegand, Douglas M. Special Safety Concerns of the School Bus Industry: A Synthesis of Safety Practice. Washington, D.C.: Transportation Research Board, 2010.

Cita MLA

Wiegand, Douglas M. Special Safety Concerns of the School Bus Industry: A Synthesis of Safety Practice. Washington, D.C.: Transportation Research Board, 2010.