@book{38099,
	author = {Gustafson, Lowell S.},
	title = {Thucydides' theory of international relations  a lasting possession},
	publisher = {Louisiana State University Press},
	year = {2000},
	series = {Political Traditions in Foreign Policy Series},
	address = {Baton Rouge (Luisiana, Estados Unidos)},
	url = {http://lcweb.loc.gov/catdir/toc/99087375.html}
}