Simons Raphael T. (1998). Feng Shui, Strategies for Business Success. Three Rivers Press.
Lua i Stíl Chicago (17ú heag.)Simons Raphael T. Feng Shui, Strategies for Business Success. NewYork: Three Rivers Press, 1998.
Lua MLA (9ú heag.)Simons Raphael T. Feng Shui, Strategies for Business Success. Three Rivers Press, 1998.
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