APA-viite (7. p.)

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

Chicago-viite (17. p.)

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

MLA-viite (9. p.)

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