Cita APA (7th ed.)

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.