Lua APA (7ú heag.)
Engstrom, T. W. (1982). The pursuit of excellence. Zondervan Pub. House.
Lua i Stíl Chicago (17ú heag.)
Engstrom, Theodore Wilhelm. The Pursuit of Excellence. Grand Rapids, Mich.: Zondervan Pub. House, 1982.
Lua MLA (9ú heag.)
Engstrom, Theodore Wilhelm. The Pursuit of Excellence. Zondervan Pub. House, 1982.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.