Citação norma APA

Danyliv, A., Pavlova, M., Gryga, I., & Groot, W. (2013). Willingness to pay for physician services at a primary contact in Ukraine: Results of a contingent valuation study. BioMed Central.

Citação norma Chicago

Danyliv, Andriy, Milena Pavlova, Irena Gryga, and Wim Groot. Willingness to Pay for Physician Services At a Primary Contact in Ukraine: Results of a Contingent Valuation Study. BioMed Central, 2013.

Citação norma MLA

Danyliv, Andriy, Milena Pavlova, Irena Gryga, and Wim Groot. Willingness to Pay for Physician Services At a Primary Contact in Ukraine: Results of a Contingent Valuation Study. BioMed Central, 2013.

Nota: a formatação da citação pode não corresponder 100% ao definido pela respectiva norma.