Svetová zdravotnícka organizácia. Regional Office for Europe (Kodaň, Dánsko), et al. 1987. Helping smokers stop. Copenhagen: WHO Regional Office for Europe.
APA (7th ed.) CitationSvetová zdravotnícka organizácia. Regional Office for Europe (Kodaň, Dánsko), Commission of the European Communities, British Medical Association, Raw, M., & White, P. (1987). Helping smokers stop. WHO Regional Office for Europe.
Chicago Style (17th ed.) CitationSvetová zdravotnícka organizácia. Regional Office for Europe (Kodaň, Dánsko), Commission of the European Communities, British Medical Association, Martin Raw, and Patti White. Helping Smokers Stop. Copenhagen: WHO Regional Office for Europe, 1987.
MLA (9th ed.) CitationSvetová zdravotnícka organizácia. Regional Office for Europe (Kodaň, Dánsko), et al. Helping Smokers Stop. WHO Regional Office for Europe, 1987.
