Boulding, K. (1970). Economics as a science. Mc Graw Hill.
Lua i Stíl Chicago (17ú heag.)Boulding, K. Economics as a Science. New york: Mc Graw Hill, 1970.
Lua MLA (9ú heag.)Boulding, K. Economics as a Science. Mc Graw Hill, 1970.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.