APA Style

Phillips, D, T. (1993). Lincoln on Leadership: Executive Strategies for Tough Times / Donald T. Phillips (1st ed.). New York.: A Traemark of Warner Book..

MLA Style

Phillips, Donald, T.. "Lincoln on Leadership: Executive Strategies for Tough Times / Donald T. Phillips". 1st ed. New York.: A Traemark of Warner Book., 1993. หนังสือ (Book).