APA
Gorden M. S. (., Twinney M. M. (. & Mitchell O. S. (. (1997). Positioning pensions for the twenty-first century. Philadelphia: Pennsylvania Uni Pr.
Chicago
Gorden Michael S (ed), Twinney Marc M (ed) and Mitchell Olivia S (ed). 1997. Positioning pensions for the twenty-first century. Philadelphia: Pennsylvania Uni Pr.
Harvard
Gorden M. S. (., Twinney M. M. (. and Mitchell O. S. (. (1997). Positioning pensions for the twenty-first century. Philadelphia: Pennsylvania Uni Pr.
MLA
Gorden Michael S (ed), Twinney Marc M (ed) and Mitchell Olivia S (ed). Positioning pensions for the twenty-first century. Philadelphia: Pennsylvania Uni Pr. 1997.