1. Arndt, William, Danker, Frederick W., Bauer, Walter, and Gingrich, F. Wilbur (2000). A Greek-English Lexicon of the New Testament and Other Early Christian Literature, University of Chicago Press.
2. Balz, Horst Robert, and Schneider, Gerhard (1990). Exegetical Dictionary of the New Testament, Eerdmans.
3. Leitch, James W. (2002). The Epistle to the Philippians, Westminster John Knox. 40th Anniversary Edition.
4. Bates, Matthew W. (2019). Gospel Allegiance: What Faith in Jesus Misses for Salvation in Christ, Brazos Press.
5. Beare, Francis Wright (1976). A Commentary on the Epistle to the Philippians, Harper & Bros. [3rd ed.]. Harper’s New Testament Commentaries (New York, San Francisco).