Lua APA (7ú heag.)
Lee, N. (1990). Self - paced business mathematics (4th ed.). PWS - Kent.
Lua i Stíl Chicago (17ú heag.)
Lee, Nanci. Self - Paced Business Mathematics. 4th ed. Boston: PWS - Kent, 1990.
Lua MLA (9ú heag.)
Lee, Nanci. Self - Paced Business Mathematics. 4th ed. PWS - Kent, 1990.
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