APA aipamena

Collis, R. (1931). Streptococcal or Rheumatic Type of Erythema Nodosum.

Chicago Style aipamena

Collis, Robert. Streptococcal or Rheumatic Type of Erythema Nodosum. 1931.

MLA aipamena

Collis, Robert. Streptococcal or Rheumatic Type of Erythema Nodosum. 1931.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.