Meyers, C. L. (1999). "sap"(threshold). In G. J. Botterweck, H. Ringgren, & H.-J. Fabry (Eds.), Theological Dictionary of the Old Testament X (pp. 296–298). Grand Rapids, Michigan: Eerdmans.

Meyers, C. L. “"sap"(threshold).” In Theological Dictionary of the Old Testament X, edited by G Johannes Botterweck, Helmer Ringgren, and Heinz-Josef Fabry, 296–98. Grand Rapids, Michigan: Eerdmans, 1999.

Meyers CL. "sap"(threshold). In: Botterweck GJ, Ringgren H, Fabry H-J, editors. Theological Dictionary of the Old Testament X. Grand Rapids, Michigan: Eerdmans; 1999. p. 296–8.

Meyers, C. L. “"sap"(threshold).” Theological Dictionary of the Old Testament X, edited by G Johannes Botterweck et al., Grand Rapids, Michigan: Eerdmans, 1999, pp. 296–98.

Meyers CL. "sap"(threshold). In: Botterweck GJ, Ringgren H, Fabry H-J, editors. Theological Dictionary of the Old Testament X. Grand Rapids, Michigan: Eerdmans; 1999. p. 296–298.