Cita APA (7th ed.)

Sproul, R. C. (1997). Grace unknown: The heart of reformed theology. Baker.

Cita Chicago (17th ed.)

Sproul, R. C. Grace Unknown: The Heart of Reformed Theology. Grand Rapids: Baker, 1997.

Cita MLA (9th ed.)

Sproul, R. C. Grace Unknown: The Heart of Reformed Theology. Baker, 1997.