Gulley, N. R. (2011). Systematic theology: God as Trinity. Andrews University Press.
Citazione stile Chigago Style (17a edizione)Gulley, Norman R. Systematic Theology: God as Trinity. Berrien Springs, MI: Andrews University Press, 2011.
Citatione MLA (9a ed.)Gulley, Norman R. Systematic Theology: God as Trinity. Andrews University Press, 2011.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.