Petrillo, G., & Lyon, L. (2007). Keep your ear on the ball (1st hardcover ed.). Tilbury House.
Style de citation Chicago (17e éd.)Petrillo, Genevieve, et Lea Lyon. Keep Your Ear on the Ball. 1st hardcover ed. Gardiner, Me.: Tilbury House, 2007.
Style de citation MLA (8e éd.)Petrillo, Genevieve, et Lea Lyon. Keep Your Ear on the Ball. 1st hardcover ed. Tilbury House, 2007.
Attention : ces citations peuvent ne pas être correctes à 100%.