Jestes, E. C. (1974). Why Waste Professional Time on Directional Questions?
Citazione stile Chigago Style (17a edizione)Jestes, Edward C. Why Waste Professional Time on Directional Questions? 1974.
Citatione MLA (9a ed.)Jestes, Edward C. Why Waste Professional Time on Directional Questions? 1974.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.