APA aipamena

Roberts, K. (1977). The Fragmentary class structure. Heinemann Educational.

Chicago Style aipamena

Roberts, Kenneth. The Fragmentary Class Structure. London: Heinemann Educational, 1977.

MLA aipamena

Roberts, Kenneth. The Fragmentary Class Structure. Heinemann Educational, 1977.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.