Johnson. Allan G. (1996). Economic arrangements (4th ed.). Brown & Benchmark.
Chicago Style (17th ed.) ZitazioaJohnson. Allan G. Economic Arrangements. 4th ed. Madison: Brown & Benchmark, 1996.
MLA (9th ed.) ZitazioaJohnson. Allan G. Economic Arrangements. 4th ed. Brown & Benchmark, 1996.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.