Cita APA (7a ed.)

Janicki, K. (1985). The foreigner's language: A sociolinguistic perspective. Pergamon Press.

Cita Chicago Style (17a ed.)

Janicki, Karol. The Foreigner's Language: A Sociolinguistic Perspective. Oxford ; New York: Pergamon Press, 1985.

Cita MLA (9a ed.)

Janicki, Karol. The Foreigner's Language: A Sociolinguistic Perspective. Pergamon Press, 1985.