IMS, P. (2006). Quantitative skill builder. IMS Publications.
Lua i Stíl Chicago (17ú heag.)IMS, Publications. Quantitative Skill Builder. Mumbai: IMS Publications, 2006.
Lua MLA (9ú heag.)IMS, Publications. Quantitative Skill Builder. IMS Publications, 2006.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.