Sources:
Craig G. Bartholomew. Ecclesiastes (BCOTWP). Grand Rapids: Baker Academic, 2009.
Franz Delitzsch. Commentary on the Song of Songs and Ecclesiastes. M.G. Easton (trans.). Grand Rapids: Eerdmans, 1968.
Peter Enns. Ecclesiastes (THOTC). Grand Rapids: Eerdmans, 2011.
Duane A. Garrett. Proverbs, Ecclesiastes, Song of Songs (NAC). Nashville: B&H, 1993.
Tremper Longman III. The Book of Ecclesiastes (NICOT). Grand Rapids: Eerdmans, 1998.
Roland E. Murphy, O.Carm. “Ecclesiastes (Qoheleth)”. The Jerome Biblical Commentary. Englewood Cliffs: Prentice Hall, 1968.