Pring, M. J. (1993). Martin Pring on market momentum. McGraw-Hill.
Lua i Stíl Chicago (17ú heag.)Pring, Martin J. Martin Pring on Market Momentum. New York: McGraw-Hill, 1993.
Lua MLA (9ú heag.)Pring, Martin J. Martin Pring on Market Momentum. McGraw-Hill, 1993.
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