Παραπομπή APA

Rosenfeld, . A. (1979). Picture languages: Formal recognition. Academic press.

Παραπομπή Chicago Style

Rosenfeld, Azriel. Picture Languages: Formal Recognition. New York: Academic press, 1979.

Παραπομπή MLA

Rosenfeld, Azriel. Picture Languages: Formal Recognition. Academic press, 1979.