1.

図書
図書
1. The presidential difference : leadership style from FDR to Barack Obama. 3rd ed
Fred I. Greenstein
出版情報: Princeton, N.J. : Princeton University Press, 2009
2.

図書
図書
2. The presidential difference : leadership style from FDR to George W. Bush. 2nd ed
Fred I. Greenstein
出版情報: Princeton, N.J. : Princeton University Press, 2004
シリーズ名: Princeton paperbacks
3.

図書
図書
3. The presidential difference : leadership style from FDR to Clinton. 1st Princeton ed., with a new afterword
Fred I. Greenstein ; with a new afterword on George W. Bush
出版情報: Princeton, N.J. : Princeton University Press, 2001