Gaya APA

Leo, G, J. (1990). Sistematic Theology Vol. I: Biblical, Histrical, & Evangelical (Trawas) . Grand Rapids, Michigan: WM.B.Eerdmans Publishing Company.

Gaya MLA

Leo, Garrett, James. "Sistematic Theology Vol. I: Biblical, Histrical, & Evangelical (Trawas)". Grand Rapids, Michigan: WM.B.Eerdmans Publishing Company, 1990. Text.