Cita APA (7th ed.)

Greenall, S., & Pye, D. (1992). Reading 3. Cambridge Universirty Press.

Cita Chicago (17th ed.)

Greenall, Simon, i Diana Pye. Reading 3. Cambridge: Cambridge Universirty Press, 1992.

Cita MLA (9th ed.)

Greenall, Simon, i Diana Pye. Reading 3. Cambridge Universirty Press, 1992.