APA-referens (7:e uppl.)

Harper, S. C. (1991). The McGraw-Hill guide to starting your own business: A step by step blueprint for the first time entrepreneur. McGraw-Hill.

Chicago-referens (17:e uppl.)

Harper, Stephen C. The McGraw-Hill Guide to Starting Your Own Business: A Step by Step Blueprint for the First Time Entrepreneur. N.Y: McGraw-Hill, 1991.

MLA-referens (9:e uppl.)

Harper, Stephen C. The McGraw-Hill Guide to Starting Your Own Business: A Step by Step Blueprint for the First Time Entrepreneur. McGraw-Hill, 1991.

Varning: dessa hänvisningar är inte alltid fullständigt riktiga.