APA-čujuhus (7. p.)
Gottheil, F. M. (1996). Principles of economics (ed.). South Western College Publishing.
Chicago-čujuhus (17. p.)
Gottheil, Fred M. Principles of Economics. ed. Ohio: South Western College Publishing, 1996.
MLA-čujuhus (9. p.)
Gottheil, Fred M. Principles of Economics. ed. South Western College Publishing, 1996.
Muitte dárkkistit čujuhemiid riektatvuođa, ovdal go geavahat daid iežat deavsttas.