Both of your books are correct. Depends of your assumptions. I sugest you to study the location of the inflexion point on the moments dyagram assumed. This is the application point of the base shear force. Usually this point is considered on the middle of the wall. The forces considered for base...
If I well understand, your dimensional formulas is:
[Tn]*[m]/[m]=[Tn]. But this is not a measurement unit for the moment. I can't understand what kind of distributed moment is this. My opinion is to consider the moment in Tn*m only, not in Tn*m/m. Florian Smochina
