Clark, G. H. (1965). What do Presbyterians believe? Presbyterians and reformed publishing Co..
Lua i Stíl Chicago (17ú heag.)Clark, Gordon H. What Do Presbyterians Believe? New Jersey: Presbyterians and reformed publishing Co., 1965.
Lua MLA (9ú heag.)Clark, Gordon H. What Do Presbyterians Believe? Presbyterians and reformed publishing Co., 1965.
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