Bloem, A. M., Dippelsman, R. J., & Maehle, N. O. (2001). Quarterly national accounts manual: Concepts, data sources, and compilation. International Monetary Fund.
Dyfyniad Arddull ChicagoBloem, Adriaan M., Robert J. Dippelsman, and Nils O. Maehle. Quarterly National Accounts Manual: Concepts, Data Sources, and Compilation. Washington, D.C: International Monetary Fund, 2001.
Dyfyniad MLABloem, Adriaan M., et al. Quarterly National Accounts Manual: Concepts, Data Sources, and Compilation. International Monetary Fund, 2001.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.