In p.727 of Peskin QFT, it derives a flavor mixing Higgs Yukawa term, but he assumes that the neutrinos have no mass.
However we know that we can include both left and right chiral neutrinos, and also introduce Dirac or Majorana masses to them.
In this sense, p.727 of Peskin QFT is not suitable discussion for nowadays since we do know neutrinos have mass.
Question
Are there pedagogical refs/literatures on (1) the flavor mixing Higgs Yukawa term and (2) weak $W$ current basis change discussion when we include both left and right chiral neutrinos, and also introduce Dirac or Majorana masses to them?