Helen Paiba. (1998). Funny Stories for 7 Year Olds (First Edition.). Pan Macmillan.
Cita Chicago (17th ed.)Helen Paiba. Funny Stories for 7 Year Olds. First Edition. Pan Macmillan, 1998.
Cita MLA (9th ed.)Helen Paiba. Funny Stories for 7 Year Olds. First Edition. Pan Macmillan, 1998.
Atenció: Aquestes cites poden no estar 100% correctes.