Mazur, A. (1991). Global social problems. Prentice-Hall.
Chicago Style aipamenaMazur, Allan. Global Social Problems. Englewood Cliffs, N.J: Prentice-Hall, 1991.
MLA aipamenaMazur, Allan. Global Social Problems. Prentice-Hall, 1991.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.