I've been reading a lot of posts about incrementing columns rather than rows, however I've not seen anything for selecting multiple cells.

Here's what I have so far:

=SUM(Sheet2!D4,Sheet2!D16,Sheet2!D21,Sheet2!D25,Sheet2!D34,Sheet2!D60,Sheet2!D76,Sheet2!D79,Sheet2!D80,Sheet2!D89,Sheet2!D111)

What I want it to do is not increment the row, but the column for each....eg:

=SUM(Sheet2!E4,Sheet2!E16,Sheet2!E21,Sheet2!E25,Sheet2!E34,Sheet2!E60,Sheet2!E76,Sheet2!E79,Sheet2!E80,Sheet2!E89,Sheet2!E111)
=SUM(Sheet2!F4,Sheet2!F16,Sheet2!F21,Sheet2!F25,Sheet2!F34,Sheet2!F60,Sheet2!F76,Sheet2!F79,Sheet2!F80,Sheet2!F89,Sheet2!F111)
And so on,

Can anyone help?

Thanks