Lua APA (7ú heag.)
Symposium on Maternal Recognition of Pregnancy London, England, & ebrary, Inc. (1979). Maternal recognition of pregnancy. Excerpta Medica.
Lua i Stíl Chicago (17ú heag.)
Symposium on Maternal Recognition of Pregnancy London, England, agus Inc ebrary. Maternal Recognition of Pregnancy. Amsterdam ; New York: Excerpta Medica, 1979.
Lua MLA (9ú heag.)
Symposium on Maternal Recognition of Pregnancy London, England, agus Inc ebrary. Maternal Recognition of Pregnancy. Excerpta Medica, 1979.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.