Pitjantjatjara Dictionary Pdf [portable] Here
Glosbe has a community-sourced Pitjantjatjara-English lexicon with example sentences. It is incomplete but growing. You can export glossaries to CSV or PDF using browser extensions.
The primary academic and authoritative reference for the Pitjantjatjara language is the Pitjantjatjara/Yankunytjatjara to English Dictionary . Compiled by Cliff Goddard and published by the Institute for Aboriginal Development (IAD) Press pitjantjatjara dictionary pdf