Walker, D. (2014). An Introduction to health services research. Sage.
Citazione stile Chigago Style (17a edizione)Walker, Dawn-Marie. An Introduction to Health Services Research. London: Sage, 2014.
Citatione MLA (9a ed.)Walker, Dawn-Marie. An Introduction to Health Services Research. Sage, 2014.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.