While a direct Gita Press edition of the Narada Pancharatra itself is elusive, you can find the text through these reliable digital and physical sources: Narada Pancharatra Bharadwaja Samhita - Internet Archive
For a spiritual seeker chanting mantras, accuracy is not optional. One wrong syllable can change the meaning. Hence, the demand for the updated Gita Press version is completely justified. narada pancharatra gita press pdf updated