HASHMI , A. (1994). SOUND: CHILDREN'S SCIENCE LIBRARY.
Cita Chicago (17th ed.)HASHMI , A.H. SOUND: CHILDREN'S SCIENCE LIBRARY. 1994.
Cita MLA (9th ed.)HASHMI , A.H. SOUND: CHILDREN'S SCIENCE LIBRARY. 1994.
Atenció: Aquestes cites poden no estar 100% correctes.