Nissenson Marilyn & Jonas, S. (1992). The ubiquitous pig. Harry N.Abrams Publishers.
Lua i Stíl Chicago (17ú heag.)Nissenson Marilyn agus Susan Jonas. The Ubiquitous Pig. New York: Harry N.Abrams Publishers, 1992.
Lua MLA (9ú heag.)Nissenson Marilyn agus Susan Jonas. The Ubiquitous Pig. Harry N.Abrams Publishers, 1992.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.