(2010). Hansal and gretel(Graded reader level-3). Macaw Books.
Cita Chicago (17th ed.)Hansal and Gretel(Graded Reader Level-3). Macaw Books, 2010.
Cita MLA (9th ed.)Hansal and Gretel(Graded Reader Level-3). Macaw Books, 2010.
Atenció: Aquestes cites poden no estar 100% correctes.