Dobrowolska, B., Jurek, K., Pilewska-Kozak, A. B., Pawlikowski, J., Drozd, M., & Koenig, H. (2016). Validation of the Polish version of the Duke University Religion Index (PolDUREL). Pol Arch Med Wewn, 126(12), 1005–1008. https://doi.org/10.20452/pamw.3721

Dobrowolska, Beata, Krzysztof Jurek, Anna B. Pilewska-Kozak, Jakub Pawlikowski, Mariola Drozd, and Harold Koenig. “Validation of the Polish version of the Duke University Religion Index (PolDUREL).” Pol Arch Med Wewn 126, no. 12 (December 22, 2016): 1005–8. https://doi.org/10.20452/pamw.3721.

Dobrowolska B, Jurek K, Pilewska-Kozak AB, Pawlikowski J, Drozd M, Koenig H. Validation of the Polish version of the Duke University Religion Index (PolDUREL). Pol Arch Med Wewn. 2016 Dec 22;126(12):1005–8.

Dobrowolska, Beata, et al. “Validation of the Polish version of the Duke University Religion Index (PolDUREL).” Pol Arch Med Wewn, vol. 126, no. 12, Dec. 2016, pp. 1005–08. Pubmed, doi:10.20452/pamw.3721.

Dobrowolska B, Jurek K, Pilewska-Kozak AB, Pawlikowski J, Drozd M, Koenig H. Validation of the Polish version of the Duke University Religion Index (PolDUREL). Pol Arch Med Wewn. 2016 Dec 22;126(12):1005–1008.