Cita APA (7a ed.)

Krjutchova, T., & Narumov, B. P. (1991). [Sociolinguistics in Germany and Spain]. Hayka.

Cita Chicago Style (17a ed.)

Krjutchova, T., y B. P. Narumov. [Sociolinguistics in Germany and Spain]. Moscou: Hayka, 1991.

Cita MLA (9a ed.)

Krjutchova, T., y B. P. Narumov. [Sociolinguistics in Germany and Spain]. Hayka, 1991.