PETERSON, W. L. (1979). Principles of economics micro. Richard D. Irwin.
Lua i Stíl Chicago (17ú heag.)PETERSON, Willis L. Principles of Economics Micro. Homewood: Richard D. Irwin, 1979.
Lua MLA (9ú heag.)PETERSON, Willis L. Principles of Economics Micro. Richard D. Irwin, 1979.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.