McCormack, M. H. (2000). Never wrestle with a pig: And ninety other ideas to build your business and career. Penguin books.
Chicago-čujuhus (17. p.)McCormack, Mark H. Never Wrestle with a Pig: And Ninety Other Ideas to Build Your Business and Career. New York: Penguin books, 2000.
MLA-čujuhus (9. p.)McCormack, Mark H. Never Wrestle with a Pig: And Ninety Other Ideas to Build Your Business and Career. Penguin books, 2000.
Muitte dárkkistit čujuhemiid riektatvuođa, ovdal go geavahat daid iežat deavsttas.