Gaya APA

Tichy, N, M., Cardwell, N. (2004). The Cycle of Leadership : How Great Leaders Teach Their Companies To Win (Cetakan ke-2, 2004). United Stated of America: Harper Collins Publisher.

Gaya MLA

Tichy, Noel, M.., Cardwell, Nancy. "The Cycle of Leadership : How Great Leaders Teach Their Companies To Win". Cetakan ke-2, 2004 United Stated of America: Harper Collins Publisher, 2004. Text.