Marx, K., & Carver, T. (1975). Karl Marx: Text on method. Barnes & Noble.
Lua i Stíl Chicago (17ú heag.)Marx, Karl, agus Terrell Carver. Karl Marx: Text on Method. New York: Barnes & Noble, 1975.
Lua MLA (9ú heag.)Marx, Karl, agus Terrell Carver. Karl Marx: Text on Method. Barnes & Noble, 1975.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.