Gaya APA

Friedman, D, B. et al (2013). What Do People Really Know and Think About Clinical Trials?A Comparison of Rural and Urban Communities in the South . : Business Media.

Gaya MLA

Friedman, Daniela, B.. et al. "What Do People Really Know and Think About Clinical Trials?A Comparison of Rural and Urban Communities in the South". : Business Media, 2013. e-journal.