APA-referens (7:e uppl.)

Gladden, S. C., & Olitt, A. (1996). Marketing and selling A/E and other engineering services: An essential guide to creating your own program. ASCE Press. https://doi.org/10.1061/9780784401002

Chicago-referens (17:e uppl.)

Gladden, Scott C., och Arnold Olitt. Marketing and Selling A/E and Other Engineering Services: An Essential Guide to Creating Your Own Program. New York: ASCE Press, 1996. https://doi.org/10.1061/9780784401002.

MLA-referens (9:e uppl.)

Gladden, Scott C., och Arnold Olitt. Marketing and Selling A/E and Other Engineering Services: An Essential Guide to Creating Your Own Program. ASCE Press, 1996. https://doi.org/10.1061/9780784401002.