Download Windows PowerShell 4.0 and Other Quick Reference Guides from Official Microsoft Download Center

Some useful cheat sheets thanks to Microsoft

Quickly learn tips, shortcuts, and common operations in Windows Powershell 4.0, Windows PowerShell Desired State Configuration, Windows PowerShell Workflow, Windows PowerShell ISE, Windows PowerShell Web Access, Server Manager for Windows Server 2012 R2, WinRM, WMI, and WS-Man

via Download Windows PowerShell 4.0 and Other Quick Reference Guides from Official Microsoft Download Center.