Gaya APA

-A, L, B, R, C, A, C, B. (2002). EXECUTION THE DISCIPLINE OF GETTING THINGS DONE (20). Australia: Crown Business.

Gaya MLA

-A, Larry, Bossidy,, Ram, Charan, And, Charles, Burck. "EXECUTION THE DISCIPLINE OF GETTING THINGS DONE". 20 Australia: Crown Business, 2002. Text.