Le DainG., Interim Report of the Commission of Inquiry into the Non-Medical Use of Drugs. Ottawa, Queens Printer, 1970.
2.
SmartR. G.FejerDianneCredibility of sources of information for high school students. Journal of Drug Issues, Spring, 1972.
3.
GiffinK., The contribution of source credibility to a theory of interpersonal trust in the communication process. Psychological Bulletin, 1967, 68, 104–120.
4.
BerscheidEllen, Opinion change and communicator-communicatee similarity and dissimilarity. Journal of Personality and Social Psychology, 1966, 4, 670–680.
5.
BrockT. C., Communicator-recipient similarity and decision change. Journal of Personality and Social Psychology, 1965, 1, 650–654.
6.
FejerDianneSmartR. G.WhiteheadP.LaforestL., Sources of information about drugs among high school students. Public Opinion Quarterly, 1971, 35, 235–241.
7.
AronsonE.TurnerJ. A.CarlsmithJ. M., Communicator credibility and communicator discrepancy as determinants of opinion change. Journal of Abnormal and Social Psychology, 1963, 67, 31–36.