APA-referens (7:e uppl.)
A Mind That Found Itself: Clifford whittingham beers ligua inglese. University Of Pittsburgh Press.
Chicago-referens (17:e uppl.)
A Mind That Found Itself: Clifford Whittingham Beers Ligua Inglese. University Of Pittsburgh Press.
MLA-referens (9:e uppl.)
A Mind That Found Itself: Clifford Whittingham Beers Ligua Inglese. University Of Pittsburgh Press.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.