Cita APA (7th ed.)
Beekes, R. S. P., & Vaan, M. A. C. d. (2011). Comparative Indo-European linguistics: An introduction (2nd ed.). John Benjamins Pub. Co..
Cita Chicago (17th ed.)
Beekes, R. S. P., i Michiel Arnoud Cor de Vaan. Comparative Indo-European Linguistics: An Introduction. 2nd ed. Amsterdam ; Philadelphia: John Benjamins Pub. Co., 2011.
Cita MLA (9th ed.)
Beekes, R. S. P., i Michiel Arnoud Cor de Vaan. Comparative Indo-European Linguistics: An Introduction. 2nd ed. John Benjamins Pub. Co., 2011.
Atenció: Aquestes cites poden no estar 100% correctes.