Cita APA (7a ed.)

Van Lier, L. (1995). Introducing language awareness. Penguin Books.

Cita Chicago Style (17a ed.)

Van Lier, Leo. Introducing Language Awareness. London: Penguin Books, 1995.

Cita MLA (9a ed.)

Van Lier, Leo. Introducing Language Awareness. Penguin Books, 1995.