Harlow, L. L. (2014). The essence of multivariate thinking: Basic themes and methods (Second edition.). Routledge.
Lua i Stíl Chicago (17ú heag.)Harlow, Lisa L. The Essence of Multivariate Thinking: Basic Themes and Methods. Second edition. New York: Routledge, 2014.
Lua MLA (9ú heag.)Harlow, Lisa L. The Essence of Multivariate Thinking: Basic Themes and Methods. Second edition. Routledge, 2014.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.