Kare Davies. (2015). BUTTERFLIES. Usborne.
Cita Chicago (17th ed.)Kare Davies. BUTTERFLIES. Usborne, 2015.
Cita MLA (9th ed.)Kare Davies. BUTTERFLIES. Usborne, 2015.
Atenció: Aquestes cites poden no estar 100% correctes.
Cita APA (7th ed.)