APA (7th ed.) Zitazioa
Ian N. Olver. Investigating Prayer: Impact on Health and Quality of Life. Springer.
Chicago Style (17th ed.) Zitazioa
Ian N. Olver. Investigating Prayer: Impact on Health and Quality of Life. Nueva York, EUA: Springer.
MLA (9th ed.) Zitazioa
Ian N. Olver. Investigating Prayer: Impact on Health and Quality of Life. Springer.
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