Dyfyniad APA

Covel, M. W. (2009). Trend Following (2nd ed.). Pearson Education.

Dyfyniad Arddull Chicago

Covel, Michael W. Trend Following. 2nd ed. New Delhi: Pearson Education, 2009.

Dyfyniad MLA

Covel, Michael W. Trend Following. 2nd ed. Pearson Education, 2009.

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