Polenberg, R. (1980). One nation divisible: Class, race and ethnicity in the United States since 1938. Harmondsworth: Penguin Books.
Chicago (17e ed.) BronvermeldingPolenberg, Richard. One Nation Divisible: Class, Race and Ethnicity in the United States Since 1938. Harmondsworth: Penguin Books, 1980.
MLA (8e ed.) BronvermeldingPolenberg, Richard. One Nation Divisible: Class, Race and Ethnicity in the United States Since 1938. Harmondsworth: Penguin Books, 1980.
Let op: Deze citaties zijn niet altijd 100% accuraat.