Engstrom, T. W., & Larson, R. C. (1988). The best of Ted Engstrom on personal excellence and leadership. Here's Life Publishers.
Chicago-čujuhus (17. p.)Engstrom, Theodore Wilhelm, juo Robert C. Larson. The Best of Ted Engstrom on Personal Excellence and Leadership. San Bernardino: Here's Life Publishers, 1988.
MLA-čujuhus (9. p.)Engstrom, Theodore Wilhelm, juo Robert C. Larson. The Best of Ted Engstrom on Personal Excellence and Leadership. Here's Life Publishers, 1988.
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