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).
শিকাগো স্টাইল (17 তম সংস্করণ) উদ্ধৃতিMarler, Penny Long, এবং C. Kirk Hadaway. ""Being Religious" or "Being Spiritual" in America: A Zero-sum Proposition? / Penny Long Marler. C. Kirk Hadaway." American Exceptionalism.(2010) .
M.L.A (8 ম সংস্করণ) উদ্ধৃতিMarler, Penny Long, এবং 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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