Cita APA (7th ed.)

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

Cita Chicago (17th ed.)

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

Cita MLA (9th ed.)

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