Copsey, I. (2011). Harmonic Elliott wave: The case for modification of R.N. Elliott's impulsive wave structure. Wiley.
Dyfyniad Arddull ChicagoCopsey, Ian. Harmonic Elliott Wave: The Case for Modification of R.N. Elliott's Impulsive Wave Structure. Singapore: Wiley, 2011.
Dyfyniad MLACopsey, Ian. Harmonic Elliott Wave: The Case for Modification of R.N. Elliott's Impulsive Wave Structure. Wiley, 2011.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.