Dyfyniad APA
Engstrom, T. W. (1982). The pursuit of excellence. Zondervan Publ. House.
Dyfyniad Arddull Chicago
Engstrom, Ted W. The Pursuit of Excellence. Grand Rapids: Zondervan Publ. House, 1982.
Dyfyniad MLA
Engstrom, Ted W. The Pursuit of Excellence. Zondervan Publ. House, 1982.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.