NOTE: The editions of these works are crucial. There are important changes that have recently taken place within the PC(USA) that make previous editions out of date. These resources can be found/ordered/downloaded from: http://store.pcusa.org/
Book of Confessions: The Constitution of the Presbyterian Church (U.S.A.), Part I, 2016. (Hardcopy or digital versions available.)
Book of Order: The Constitution of the Presbyterian Church (U.S.A.), Part II, 2017-2019. (Hardcopy or digital versions available.)
Book of Common Worship [“The Blue Book”], Theology and Worship Ministry Unit for the PC(USA) and Cumberland Presbyterian Church (Louisville, KY: Westminster John Knox, 1993). (Digital versions are available that could be helpful in worship planning and leadership.)
Joseph Small, ed., Conversations with the Confessions: Dialogue in the Reformed Tradition (Louisville, KY: Geneva Press, 2005).
Joan S. Gray and Joyce C. Tucker, Presbyterian Polity for Church Leaders, 4th edition (Louisville, KY: Geneva Press, 2012).