Cita APA (7th ed.)

Martin, J. R. M. (1989). Factual writing: Exploring and challenging social reality (2a. ed.). Oxford University Press.

Cita Chicago (17th ed.)

Martin, James Robert Martin. Factual Writing: Exploring and Challenging Social Reality. 2a. ed. Oxford: Oxford University Press, 1989.

Cita MLA (9th ed.)

Martin, James Robert Martin. Factual Writing: Exploring and Challenging Social Reality. 2a. ed. Oxford University Press, 1989.