Cita APA

Riley, P. (2011). Cambridge Checkpoint Science 2 (1st.). Cambridge University Press.

Citación estilo Chicago

Riley, Peter. Cambridge Checkpoint Science 2. 1st. London: Cambridge University Press, 2011.

Cita MLA

Riley, Peter. Cambridge Checkpoint Science 2. 1st. Cambridge University Press, 2011.

Warning: These citations may not always be 100% accurate.