O'Neill, R. (2008). As ovelhas fazem béé! as vacas fazem mú! Plátano.
Style de citation Chicago (17e éd.)O'Neill, Rikki. As Ovelhas Fazem Béé! as Vacas Fazem Mú! Plátano, 2008.
Style de citation MLA (8e éd.)O'Neill, Rikki. As Ovelhas Fazem Béé! as Vacas Fazem Mú! Plátano, 2008.
Attention : ces citations peuvent ne pas être correctes à 100%.