PETTIGREW, T. F. (1996). How to think like a social scientist. Longman.
Chicago (17e ed.) BronvermeldingPETTIGREW, Thomas F. How to Think like a Social Scientist. New York: Longman, 1996.
MLA (9e ed.) BronvermeldingPETTIGREW, Thomas F. How to Think like a Social Scientist. Longman, 1996.
Let op: Deze citaties zijn niet altijd 100% accuraat.