Dyfyniad APA

Rowling, J. K. (2010). Harry potter and the half blood prince. Bloomsbury.

Dyfyniad Arddull Chicago

Rowling, J. K. Harry Potter and the Half Blood Prince. London: Bloomsbury, 2010.

Dyfyniad MLA

Rowling, J. K. Harry Potter and the Half Blood Prince. Bloomsbury, 2010.

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