José R.C. Cruz, « Mastering Threads on Mac OS X » : « The POSIX thread library (…) is platform-agnostic, and available on all POSIX-compliant systems such as Linux, BSD, and Mac OS X. »
ibm.com
Daniel Robbins, « POSIX threads explained », IBM developerWorks : « When you want to write portable multithreaded code, code that works under Solaris, FreeBSD, Linux, and more, POSIX threads are the way to go. »