Answer:
Both types of businesses don't issue stocks.
Step-by-step explanation:
Sole Proprietorship is basically the owner of the business that he runs and the business and the person are the same entity. So sole proprietor is the only owner of the business and the such businesses which are not registered as companies doesn't issues the stock.
In the partnership businesses, there are also no stocks issuance instead the partner signs the partnership agreement and handover the investment to partnership. So this is how it works.