Sproul, R. C. (1997). Grace unknown: The heart of reformed theology. Baker.
Chicagoスタイル(17版)引用形式Sproul, R. C. Grace Unknown: The Heart of Reformed Theology. Grand Rapids: Baker, 1997.
MLA(9版)引用形式Sproul, R. C. Grace Unknown: The Heart of Reformed Theology. Baker, 1997.
警告: この引用は必ずしも正確ではありません.