Nature Protocols 6, 1044-1052 doi:10.1038/nprot.2011.350
Also worth looking at may be
Nature Protocols 8, 1513-1524 doi:10.1038/nprot.2013.090
Alternatively another approach you could try is using reporters as is described here:
Nature Protocols 4, 1192-1201 doi:10.1038/nprot.2009.100
Good luck with your experiments.
Chris
(Chief Editor, Nature Protocols)