KHARBANDA O P. (1996). WHAT MADE GERTIE GALOOP? LESSONS FROM PROJECT FAILURES. YAN NOSTRAND REINHOL CO.
Lua i Stíl Chicago (17ú heag.)KHARBANDA O P. WHAT MADE GERTIE GALOOP? LESSONS FROM PROJECT FAILURES. NEW YORK: YAN NOSTRAND REINHOL CO, 1996.
Lua MLA (9ú heag.)KHARBANDA O P. WHAT MADE GERTIE GALOOP? LESSONS FROM PROJECT FAILURES. YAN NOSTRAND REINHOL CO, 1996.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.