Wong, J. (1973). Singapore: The church in the midst of social change. Church Growth Study Centre.
Chicago-referens (17:e uppl.)Wong, James. Singapore: The Church in the Midst of Social Change. Singapore: Church Growth Study Centre, 1973.
MLA-referens (8:e uppl.)Wong, James. Singapore: The Church in the Midst of Social Change. Church Growth Study Centre, 1973.
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