Leplar, A. C. (1998). Read it yourself. level 4. Ladybird.
Cita Chicago (17th ed.)Leplar, Anna C. Read It Yourself. Level 4. Italy: Ladybird, 1998.
Cita MLA (9th ed.)Leplar, Anna C. Read It Yourself. Level 4. Ladybird, 1998.
Atenció: Aquestes cites poden no estar 100% correctes.