PIPE, J. (2011). LOOK AND PLAY - NOISY MACHINES. S CHAND PUB.
Cita Chicago (17th ed.)PIPE, JIM. LOOK AND PLAY - NOISY MACHINES. S CHAND PUB, 2011.
Cita MLA (9th ed.)PIPE, JIM. LOOK AND PLAY - NOISY MACHINES. S CHAND PUB, 2011.
Atenció: Aquestes cites poden no estar 100% correctes.