APA-čujuhus (7. p.)
Winter, R. D. (1970). Say yes to mission. William Carey Library.
Chicago-čujuhus (17. p.)
Winter, Ralph D. Say Yes to Mission. California: William Carey Library, 1970.
MLA-čujuhus (9. p.)
Winter, Ralph D. Say Yes to Mission. William Carey Library, 1970.
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