Gaya APA
Gundersen, D, A. et al (2014).
Assessing the Feasibility and Sample Quality of a National Random-digit Dialing Cellular Phone Survey of Young Adults .
New York:
Oxford University Press on behalf of the Johns Hopkins Bloomberg School of Public Health.
Gaya MLA
Gundersen, Daniel, A.. et al.
"Assessing the Feasibility and Sample Quality of a National Random-digit Dialing Cellular Phone Survey of Young Adults".
New York:
Oxford University Press on behalf of the Johns Hopkins Bloomberg School of Public Health,
2014.
e-journal.