Wallace, P. (1999). Agequake: Riding the demographic rollercoaster shaking business, finance and our world. Nicholas Brealey.
Chicago-Zitierstil (17. Ausg.)Wallace, Paul. Agequake: Riding the Demographic Rollercoaster Shaking Business, Finance and Our World. London: Nicholas Brealey, 1999.
MLA-Zitierstil (9. Ausg.)Wallace, Paul. Agequake: Riding the Demographic Rollercoaster Shaking Business, Finance and Our World. Nicholas Brealey, 1999.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.