Citazione Stile APA (7a Edizione)

LEWIS,John P. (1959). Business Conditions analysis.: Lewis, John P. Mcgraw-Hill.

Citazione stile Chigago Style (17a edizione)

LEWIS,John P. Business Conditions Analysis.: Lewis, John P. Newyork: Mcgraw-Hill, 1959.

Citatione MLA (9a ed.)

LEWIS,John P. Business Conditions Analysis.: Lewis, John P. Mcgraw-Hill, 1959.