Exodus 20:11 For in six days the Lord made the heavens and the earth, the sea and everything that is in them, and He rested on the seventh day; for that reason the Lord blessed the Sabbath day and made it holy.
Exodus 31:17 It is a sign between Me and the sons of Israel forever; for in six days the Lord made heaven and earth, but on the seventh day He ceased from labor, and was refreshed.”
What other references are there to Gen 1-11?