Cita APA

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

Chicago Edition Citation

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

Cita MLA

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

Atenció: Aquestes cites poden no estar 100% correctes.