por Watkins, Michael, 1956- [autor] | Trabal, Betty [traductor] | Watkins, Michael, 1956-. Master your next move.
por Collins, James C. (James Charles), 1958- [autor] | Trabal, Betty [traductor] | Collins, James C. (James Charles), 1958-. Turning the flywheel.
por Tracy, Brian [autor] | Trabal, Betty [traductor] | Tracy, Brian. Million Dollars Habits.