Cita APA (7th ed.)

Wilson, H. G. (1975). Forecasting bus transit operating costs. Pennsylvania Transportation Institute.

Cita Chicago (17th ed.)

Wilson, Hoyt G. Forecasting Bus Transit Operating Costs. s.l: Pennsylvania Transportation Institute, 1975.

Cita MLA (9th ed.)

Wilson, Hoyt G. Forecasting Bus Transit Operating Costs. Pennsylvania Transportation Institute, 1975.