Gaya APA

Welch, C. ( 1972-1985). Protestant thought in the nineteenth century. Vol.I : 1799-1870. Vol.II: 1870-1914. . New Haven dsl: Yale UP.

Gaya MLA

Welch, Claude.. "Protestant thought in the nineteenth century. Vol.I : 1799-1870. Vol.II: 1870-1914. ". New Haven dsl: Yale UP, 1972-1985. Buku.