Citazione Stile APA (7a Edizione)

Hansen, B. (1967). Long and short-term planning in underdeveloped countries. North-Holland Pub..

Citazione stile Chigago Style (17a edizione)

Hansen, Bent. Long and Short-term Planning in Underdeveloped Countries. Amsterdam: North-Holland Pub., 1967.

Citatione MLA (9a ed.)

Hansen, Bent. Long and Short-term Planning in Underdeveloped Countries. North-Holland Pub., 1967.