Dyfyniad APA

RYAN, W. T. Programmed Learning Aid For Principles Of Marketing William T Ryan. ricard D. Irwin.

Dyfyniad Arddull Chicago

RYAN, William T. Programmed Learning Aid For Principles Of Marketing William T Ryan. ricard D. Irwin.

Dyfyniad MLA

RYAN, William T. Programmed Learning Aid For Principles Of Marketing William T Ryan. ricard D. Irwin.

Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.