Westley Bruce. (1989). Research methods in mass communication (2nd ed.). Prentice-Hall.
Chicago-čujuhus (17. p.)Westley Bruce. Research Methods in Mass Communication. 2nd ed. New York: Prentice-Hall, 1989.
MLA-čujuhus (9. p.)Westley Bruce. Research Methods in Mass Communication. 2nd ed. Prentice-Hall, 1989.
Muitte dárkkistit čujuhemiid riektatvuođa, ovdal go geavahat daid iežat deavsttas.