J. N. Kapferer (Winter 1989). "A Mass Poisoning Rumor in Europe". The Public Opinion Quarterly. 53 (4). Oxford University Press on behalf of the American Association for Public Opinion Research: 467–481. doi:10.1086/269167. JSTOR2749354.
J. N. Kapferer (Winter 1989). "A Mass Poisoning Rumor in Europe". The Public Opinion Quarterly. 53 (4). Oxford University Press on behalf of the American Association for Public Opinion Research: 467–481. doi:10.1086/269167. JSTOR2749354.