APA aipamena

The Practitioner. (1968). Centenary Number. s.n.

Chicago Style aipamena

The Practitioner. Centenary Number. : s.n, 1968.

MLA aipamena

The Practitioner. Centenary Number. s.n, 1968.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.