Kunst, A. E., van Splunter, C., Troelstra, S. A., & Bosdriesz, J. R. (2019). Did the introduction of pictorial health warnings increase information seeking for smoking cessation?: Time-series analysis of Google Trends data in six countries. Tob Prev Cessat.
Chicago-tyylinen lähdeviittausKunst, Anton E., Casper van Splunter, Sigrid A. Troelstra, ja Jizzo R. Bosdriesz. "Did the Introduction of Pictorial Health Warnings Increase Information Seeking for Smoking Cessation?: Time-series Analysis of Google Trends Data in Six Countries." Tob Prev Cessat 2019.
MLA-viiteKunst, Anton E., Casper van Splunter, Sigrid A. Troelstra, ja Jizzo R. Bosdriesz. "Did the Introduction of Pictorial Health Warnings Increase Information Seeking for Smoking Cessation?: Time-series Analysis of Google Trends Data in Six Countries." Tob Prev Cessat 2019.