the easiest method is to diode or the various resets together so that any of them can pull the reset high and let the pull up provide the high that is the normal non reset condition connect as many diodes to the reset anode to the "resetter" and you will be in business this will also enable you to mix various logic voltages as well as the external "Resetters are only providing a pull down and there are no "Active" outputs to deal with... however if you have issues with any of the things connected to the reset line they will impact your project as well so remember multiple reset lines aren't a great idea. Sometimes necessary but a thing that should be carefully thought out before committing to. In My Direct (Very) Experience.
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