Pring, M. J. (1993). Martin Pring on market momentum. McGraw-Hill.
Cita Chicago Style (17a ed.)Pring, Martin J. Martin Pring on Market Momentum. New York: McGraw-Hill, 1993.
Cita MLA (9a ed.)Pring, Martin J. Martin Pring on Market Momentum. McGraw-Hill, 1993.
Precaución: Estas citas no son 100% exactas.