Lua APA (7ú heag.)
Bier, E. (2000). The coiled spring: How life begins. Cold Spring Harbor Laboratory Press.
Lua i Stíl Chicago (17ú heag.)
Bier, Ethan. The Coiled Spring: How Life Begins. Cold Spring Harbor, N.Y.: Cold Spring Harbor Laboratory Press, 2000.
Lua MLA (9ú heag.)
Bier, Ethan. The Coiled Spring: How Life Begins. Cold Spring Harbor Laboratory Press, 2000.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.