The following references were sources for the implementation profile or were recommended by the model developer for further reading.
Parents as Teachers National Center. (2011). Parents as Teachers logic model. Retrieved March 23, 2017, from https://static1.squarespace.com/static/56be46a6b6aa60dbb45e41a5/t/5a3aaf5424a694d9ee7a9e93/1513795412874/LogicModel_Web.pdf
Parents as Teachers National Center. (2016). Budget tool. Retrieved March 23, 2017, from https://static1.squarespace.com/static/56be46a6b6aa60dbb45e41a5/t/583d88ad893fc0fc9db38954/1480427696138/Parents+as+Teachers+Budget+Toolkit+2016-2017.pdf
Parents as Teachers National Center. (2016). Quality assurance guidelines. Retrieved March 23, 2017, from https://static1.squarespace.com/static/56be46a6b6aa60dbb45e41a5/t/5a2585f58165f5e8027c95af/1512408568961/quality-assurance-guidelines+2017.pdf
Parents as Teachers National Center. (2018). Essential requirements. Retrieved May 6, 2019, from https://static1.squarespace.com/static/56be46a6b6aa60dbb45e41a5/t/59bc3b9046c3c4ee1974b66b/1505508240435/proposed-updated-essential-requirements-18-19.pdf
Parents as Teachers National Center. (2019). FACE: Keeping the circle strong. Retrieved October 25, 2019, from https://parentsasteachers.org/face-1.