Cita APA

Jones, R. B., Goldsmith, L., Williams, C. J., & Kamel Boulos, M. N. (2012). Accuracy of Geographically Targeted Internet Advertisements on Google Adwords for Recruitment in a Randomized Trial. Gunther Eysenbach.

Chicago Style Citation

Jones, Ray B., Lesley Goldsmith, Christopher J. Williams, i Maged N. Kamel Boulos. Accuracy of Geographically Targeted Internet Advertisements On Google Adwords for Recruitment in a Randomized Trial. Gunther Eysenbach, 2012.

Cita MLA

Jones, Ray B., Lesley Goldsmith, Christopher J. Williams, i Maged N. Kamel Boulos. Accuracy of Geographically Targeted Internet Advertisements On Google Adwords for Recruitment in a Randomized Trial. Gunther Eysenbach, 2012.

Atenció: Aquestes cites poden no estar 100% correctes.