APA Style

Davidson, S., Overwater, G. (2007). The Tree Little Pigs: Usborne First Reading - Level Three (Terbitan Tahun 2007 & 2013 (terbaru)). London: Usborne Publishing Ltd..

MLA Style

Davidson, Susanna., Overwater, Georgien. "The Tree Little Pigs: Usborne First Reading - Level Three". Terbitan Tahun 2007 & 2013 (terbaru) London: Usborne Publishing Ltd., 2007. Text.