Scripture references for each of the core fundamentals include:

Sovereignty of God: Col 1:16, Gen. 1:1, 2 Pet. 3:8, Isa. 45:7, Ps. 115:3, Dan. 2:21, Romans 9:18, Rev.12:10, Isa. 25:8-9

Inerrancy of Scripture: Ps. 19:7-11, Deut. 4:2, Isa. 40:8, Luke 21:33, Rom. 15:4, Rom. 3:4, Isa. 8:20

Understanding, believing and accepting the Gospel: Mark 1:15, Rom. 3:23 (fallen nature of man), John 14:6, Isa. 7:14, Mat 1:25, Phil 2:6-8, Heb. 4:15, 1Cor. 15:55-56, Eph. 2:8-9, Act. 4:12, Act 2:21, 1Thess. 4:16-17, Rev. 20:15, Luke 9:23-27

Showing faith through works: Jam. 2:18, Rom. 6:1-4, Mat. 6:24, Mat. 5:17, Col. 3:23, 1Cor. 11:1

Please remember that this list is not exhaustive, nor should any verse be taken out of context.