Original Verse:
Exodus Chapter 12 Verse 16And in the first day there shall be to you a holy convocation, and in the seventh day a holy convocation; no manner of work shall be done in them, save that which every man must eat, that only may be done by you.

Reference Verses:
Deuteronomy Chapter 16 Verse 8Six days thou shalt eat unleavened bread; and on the seventh day shall be a solemn assembly to Jehovah thy God; thou shalt do no work [therein].
Leviticus Chapter 23 Verse 7-8 [7] In the first day ye shall have a holy convocation: ye shall do no servile work. [8] But ye shall offer an offering made by fire unto Jehovah seven days: in the seventh day is a holy convocation; ye shall do no servile work.
Numbers Chapter 28 Verse 18In the first day shall be a holy convocation: ye shall do no servile work;
Numbers Chapter 28 Verse 25And on the seventh day ye shall have a holy convocation: ye shall do no servile work.
Exodus Chapter 35 Verse 3Ye shall kindle no fire throughout your habitations upon the sabbath day.