Sumber:
- https://www.irs.gov/businesses/small-businesses-self-employed/why-should-i-keep-records
- https://www.irs.gov/businesses/small-businesses-self-employed/recordkeeping
- https://www.irs.gov/businesses/small-businesses-self-employed/how-should-i-record-my-business-transactions
- https://www.sba.gov/counseling/manage-your-business/
Editor: Madi
