American Contract Bridge League, Francis, H. G., & Hayward, D. (1984). The Official encyclopedia of bridge (4th newly revised edition.). Crown.
Chicago-Zitierstil (17. Ausg.)American Contract Bridge League, Henry G. Francis, und Diane Hayward. The Official Encyclopedia of Bridge. 4th newly revised edition. New York: Crown, 1984.
MLA-Zitierstil (9. Ausg.)American Contract Bridge League, et al. The Official Encyclopedia of Bridge. 4th newly revised edition. Crown, 1984.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.