Ian R Falconer & R Ian. (1971). Lactation. Butterworths.
Chicago Style aipamenaIan R Falconer and R Ian. Lactation. Butterworths, 1971.
MLA aipamenaIan R Falconer and R Ian. Lactation. Butterworths, 1971.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.