partnership investment in 3 partnerships how do i get a list of the partnership print in my 1065

[scop64]

My partnership is invested in 3 partnership with income and loss in ordinary business income.

How do I get a list of the 3 invested partnership into my 1065 as requested by the IRS.

[Just-Lisa-Now-]

So they received K-1's from 3 other partnerships that need to be included on their 1065?