Dyfyniad APA

Joyce Vallar. (2011). Spelling: Teacher's Guide 2 (Collins Primary Focus) (New edition.). HarperCollins UK.

Dyfyniad Arddull Chicago

Joyce Vallar. Spelling: Teacher's Guide 2 (Collins Primary Focus). New edition. HarperCollins UK, 2011.

Dyfyniad MLA

Joyce Vallar. Spelling: Teacher's Guide 2 (Collins Primary Focus). New edition. HarperCollins UK, 2011.

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