Citazione Stile APA (7a Edizione)

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

Citazione stile Chigago Style (17a edizione)

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

Citatione MLA (9a ed.)

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