University of Texas at Austin. Bureau of Business Research. (1968). Research monograph. Bureau of Business Research, the University of Texas at Austin.
Lua i Stíl Chicago (17ú heag.)University of Texas at Austin. Bureau of Business Research. Research Monograph. [Austin, Tex.]: Bureau of Business Research, the University of Texas at Austin, 1968.
Lua MLA (8ú heag.)University of Texas at Austin. Bureau of Business Research. Research Monograph. Bureau of Business Research, the University of Texas at Austin, 1968.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.