Dyfyniad APA

Smith, L. C. (2004). Concepts for today. Boston, MA: Thomson/Heinle.

Dyfyniad Arddull Chicago

Smith, Lorraine C. Concepts for Today. Boston, MA: Thomson/Heinle, 2004.

Dyfyniad MLA

Smith, Lorraine C. Concepts for Today. Boston, MA: Thomson/Heinle, 2004.

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