Coffee break: MSAccess Transform/Pivot syntax.

http://blogannath.blogspot.com/2010/02/microsoft-access-tips-tricks-crosstab.html
http://stackoverflow.com/questions/27710313/ms-access-sql-transform-aggregate-manipluation-of-values-for-pivot

pivot datepart (aby otrzymać quarters)
https://msdn.microsoft.com/en-us/library/bb208956%28v=office.12%29.aspx
http://weblogs.sqlteam.com/jeffs/archive/2007/09/10/group-by-month-sql.aspx

sum if
http://allenbrowne.com/ser-67.html  
http://www.blueclaw-db.com/accessquerysql/crosstab.htm

Crosstabs on two columns
http://stackoverflow.com/questions/24706235/sql-pivot-cross-tab-and-multiple-columns