Lua APA (7ú heag.)

Tichy, N. M., & Cardwell, N. (2002). The cycle of leadership: How great leaders teach their companies to win. HarperBusiness.

Lua i Stíl Chicago (17ú heag.)

Tichy, Noel M., agus Nancy Cardwell. The Cycle of Leadership: How Great Leaders Teach Their Companies to Win. New York, NY: HarperBusiness, 2002.

Lua MLA (8ú heag.)

Tichy, Noel M., agus Nancy Cardwell. The Cycle of Leadership: How Great Leaders Teach Their Companies to Win. HarperBusiness, 2002.

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