As, D. (1962). Twelve years of social science research, 1950-62. Norwegian Universities Press.
Lua i Stíl Chicago (17ú heag.)As, Dagfinn. Twelve Years of Social Science Research, 1950-62. [Oslo]: Norwegian Universities Press, 1962.
Lua MLA (9ú heag.)As, Dagfinn. Twelve Years of Social Science Research, 1950-62. Norwegian Universities Press, 1962.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.