Dyfyniad APA

Zemach, D. E., & Dorothy E. Zemach; Ingrid Wisniewska. (2010). Open mind: Essentials. Canada: Macmillan.

Dyfyniad Arddull Chicago

Zemach, Dorothy E., và Dorothy E. Zemach; Ingrid Wisniewska. Open Mind: Essentials. Canada: Macmillan, 2010.

Dyfyniad MLA

Zemach, Dorothy E., và Dorothy E. Zemach; Ingrid Wisniewska. Open Mind: Essentials. Canada: Macmillan, 2010.

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