Pettigrew, A. (1987). Theoretical, Methodological and Empirical Issues in Studying Change.
Chicago Style aipamenaPettigrew, A. Theoretical, Methodological and Empirical Issues in Studying Change. 1987.
MLA aipamenaPettigrew, A. Theoretical, Methodological and Empirical Issues in Studying Change. 1987.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.