Emmert, P., & Brooks, W. D. (1970). Methods of research in communication. Houghton Mifflin.
Cita Chicago Style (17a ed.)Emmert, Philip, y William Dean Brooks. Methods of Research in Communication. Boston [etc.]: Houghton Mifflin, 1970.
Cita MLA (9a ed.)Emmert, Philip, y William Dean Brooks. Methods of Research in Communication. Houghton Mifflin, 1970.
Precaución: Estas citas no son 100% exactas.