Citazione Stile APA (7a Edizione)
Engstrom, T. W., & Larson, R. C. (1988). The best of Ted Engstrom on personal excellence and leadership. Here's Life Publishers.
Citazione stile Chigago Style (17a edizione)
Engstrom, Theodore Wilhelm, e Robert C. Larson. The Best of Ted Engstrom on Personal Excellence and Leadership. San Bernardino: Here's Life Publishers, 1988.
Citatione MLA (9a ed.)
Engstrom, Theodore Wilhelm, e Robert C. Larson. The Best of Ted Engstrom on Personal Excellence and Leadership. Here's Life Publishers, 1988.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.