APA aipamena

Shaghaghi, A., Bhopal, R. S., & Sheikh, A. (2011). Approaches to Recruiting ‘Hard-To-Reach’ Populations into Re­search: A Review of the Literature. Tabriz University of Medical Sciences.

Chicago Style aipamena

Shaghaghi, Abdolreza, Raj S. Bhopal, and Aziz Sheikh. Approaches to Recruiting ‘Hard-To-Reach’ Populations Into Re­search: A Review of the Literature. Tabriz University of Medical Sciences, 2011.

MLA aipamena

Shaghaghi, Abdolreza, Raj S. Bhopal, and Aziz Sheikh. Approaches to Recruiting ‘Hard-To-Reach’ Populations Into Re­search: A Review of the Literature. Tabriz University of Medical Sciences, 2011.