@book{58495,
	author = {United Nations},
	title = {national accounts statistics = statistique des comptes nationaux :},
	publisher = {Organization De Coopération Et De Developpement Économiques,},
	year = {1975.},
	address = {Paris :},
	url = {https://fll.law.cu.edu.eg/fulltext/bks/B13-07319.pdf}
}