Lip, E. (1995). Desain dan Feng Shui: Logo, merek dagang & signboards. Saint Joseph's University.
Lua i Stíl Chicago (17ú heag.)Lip, Evelyn. Desain Dan Feng Shui: Logo, Merek Dagang & Signboards. Saint Joseph's University, 1995.
Lua MLA (8ú heag.)Lip, Evelyn. Desain Dan Feng Shui: Logo, Merek Dagang & Signboards. Saint Joseph's University, 1995.
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