APA aipamena

Purves, A. (1977). Cromwell. Wayland.

Chicago Style aipamena

Purves, Amanda. Cromwell. Hove: Wayland, 1977.

MLA aipamena

Purves, Amanda. Cromwell. Wayland, 1977.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.