APA aipamena

Getmanova, A. D., & Smith, S. A. (1989). Logic. Progress Publishers.

Chicago Style aipamena

Getmanova, A. D., and S. A. Smith. Logic. Moscow: Progress Publishers, 1989.

MLA aipamena

Getmanova, A. D., and S. A. Smith. Logic. Progress Publishers, 1989.