Cita APA (7th ed.)

Lehmann, W. P. (1993). Theoretical bases of Indo-European linguistics. Routledge.

Cita Chicago (17th ed.)

Lehmann, Winfred Philipp. Theoretical Bases of Indo-European Linguistics. London: Routledge, 1993.

Cita MLA (9th ed.)

Lehmann, Winfred Philipp. Theoretical Bases of Indo-European Linguistics. Routledge, 1993.