Et In Terra Pax - Pronunciation Guide and Translation

This is the information on the inside cover of Et In Terra Pax:

Et  in terra pax         Pronounced: "Eht een tehr-rah pahks"     
Means: And on earth peace

hominibus bonae voluntatis     Pronounced: "aw-mee-nee-boos baw-neh vaw-loon-tah-tees"  Means: to all those of good will.