JACKSON , G. E. (2002). THE LOST BALL: READ & GRAW SERIES A.4.
Cita Chicago (17th ed.)JACKSON , GRETA ED. THE LOST BALL: READ & GRAW SERIES A.4. 2002.
Cita MLA (9th ed.)JACKSON , GRETA ED. THE LOST BALL: READ & GRAW SERIES A.4. 2002.
Atenció: Aquestes cites poden no estar 100% correctes.