Cita APA (7th ed.)

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

Cita Chicago (17th ed.)

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

Cita MLA (8th ed.)

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