Posen, D. B. (2011). Always change a losing game: Winning strategies for work, home and health. Orient Pub..
Chicago-Zitierstil (17. Ausg.)Posen, David B. Always Change a Losing Game: Winning Strategies for Work, Home and Health. Orient Pub., 2011.
MLA-Zitierstil (9. Ausg.)Posen, David B. Always Change a Losing Game: Winning Strategies for Work, Home and Health. Orient Pub., 2011.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.