Kharbanda, O. P., & Pinto, J. K. (1996). What made Gertie gallop: Lessons from project failures. Van Nostrand Reinhold.
Lua i Stíl Chicago (17ú heag.)Kharbanda, Om Prakash, agus Jeffrey K. Pinto. What Made Gertie Gallop: Lessons from Project Failures. New York: Van Nostrand Reinhold, 1996.
Lua MLA (9ú heag.)Kharbanda, Om Prakash, agus Jeffrey K. Pinto. What Made Gertie Gallop: Lessons from Project Failures. Van Nostrand Reinhold, 1996.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.