James, D., & Throsby,C.D. (1973). Introduction to quantitative methods in economics. John Wiley & sons.
Lua i Stíl Chicago (17ú heag.)James, D.E, agus Throsby,C.D. Introduction to Quantitative Methods in Economics. New York: John Wiley & sons, 1973.
Lua MLA (9ú heag.)James, D.E, agus Throsby,C.D. Introduction to Quantitative Methods in Economics. John Wiley & sons, 1973.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.