Tohutoro APA (7th ed.)
Engstrom, T. W. (1982). The pursuit of excellence. Zondervan Publ. House.
Tohutoru Kātū Chicago (17th ed.)
Engstrom, Ted W. The Pursuit of Excellence. Grand Rapids: Zondervan Publ. House, 1982.
Tohutoro MLA (9th ed.)
Engstrom, Ted W. The Pursuit of Excellence. Zondervan Publ. House, 1982.
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