Gaya APA

Laurent, G, J., Shapiro, S, D. (s.a.). Encyclopedia of Respiratory Medicine Vol. 1 - 4 (Vol. 1 - 4). : Elsevier.

Gaya MLA

Laurent, Geoffrey, J.., Shapiro, Steven, D.. "Encyclopedia of Respiratory Medicine Vol. 1 - 4". Vol. 1 - 4 : Elsevier, s.a.. Text.