LEWIS,John P. (1959). Business Conditions analysis.: Lewis, John P. Mcgraw-Hill.
Chicagoスタイル(17版)引用形式LEWIS,John P. Business Conditions Analysis.: Lewis, John P. Newyork: Mcgraw-Hill, 1959.
MLA(9版)引用形式LEWIS,John P. Business Conditions Analysis.: Lewis, John P. Mcgraw-Hill, 1959.
警告: この引用は必ずしも正確ではありません.