Ohman, J. (1983). Why Johnny Can't Putt.. Simon & Schuster.
Lua i Stíl Chicago (17ú heag.)Ohman, Jack. Why Johnny Can't Putt.. Simon & Schuster, 1983.
Lua MLA (8ú heag.)Ohman, Jack. Why Johnny Can't Putt.. Simon & Schuster, 1983.
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