APA (7th ed.) Zitazioa

Sengupta Sujit Ranjan. (1999). Porokeratosis with Cutaneous Horn. Wolters Kluwer Medknow Publications.

Chicago Style (17th ed.) Zitazioa

Sengupta Sujit Ranjan. Porokeratosis with Cutaneous Horn. Wolters Kluwer Medknow Publications, 1999.

MLA (9th ed.) Zitazioa

Sengupta Sujit Ranjan. Porokeratosis with Cutaneous Horn. Wolters Kluwer Medknow Publications, 1999.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.