Παραπομπή APA
Hansen, B. (1972). Long-and Short-Term Planning in underdeveloped countries. Amsterdam: North-Holland Publishing Company.
Παραπομπή Chicago StyleHansen, Bent. Long-and Short-Term Planning in Underdeveloped Countries. Amsterdam: North-Holland Publishing Company, 1972.
Παραπομπή MLAHansen, Bent. Long-and Short-Term Planning in Underdeveloped Countries. Amsterdam: North-Holland Publishing Company, 1972.
Πρόσοχή: Οι παραπομπές μπορεί να μην είναι 100% ακριβείς.