Greenall, S., & Pye, D. (1991). Reading 2. Cambridge University Press.
Cita Chicago (17th ed.)Greenall, Simon, i Diana Pye. Reading 2. Cambridge: Cambridge University Press, 1991.
Cita MLA (8th ed.)Greenall, Simon, i Diana Pye. Reading 2. Cambridge University Press, 1991.
Atenció: Aquestes cites poden no estar 100% correctes.