Gaya APA

McCaughrean, G., Ross, T. (2018). The Twelve Labours and Echo and Narcisuss . New York, USA: Margaret K. McElderry Books.

Gaya MLA

McCaughrean, Geraldine., Ross, Tony. "The Twelve Labours and Echo and Narcisuss". New York, USA: Margaret K. McElderry Books, 2018. Text.