Marler, P. L., & Hadaway, C. K. "Being religious" or "being spiritual" in America: A zero-sum proposition? / Penny Long Marler. C. Kirk Hadaway. American Exceptionalism.(2010).
Chicago-viite (17. p.)Marler, Penny Long, ja C. Kirk Hadaway. ""Being Religious" or "Being Spiritual" in America: A Zero-sum Proposition? / Penny Long Marler. C. Kirk Hadaway." American Exceptionalism.(2010) .
MLA-viite (8. p.)Marler, Penny Long, ja C. Kirk Hadaway. ""Being Religious" or "Being Spiritual" in America: A Zero-sum Proposition? / Penny Long Marler. C. Kirk Hadaway." American Exceptionalism.(2010), .
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