APA aipamena

Kondratov, A., & Yankovsky, G. (1969). Sounds and signs.

Chicago Style aipamena

Kondratov, A., and George Yankovsky. Sounds and Signs. 1969.

MLA aipamena

Kondratov, A., and George Yankovsky. Sounds and Signs. 1969.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.