Lua APA (7ú heag.)
ebrary, Inc, & Perry, J. T. (2010). Energy prices: Supply, demand or speculation? Nova Science Publishers.
Lua i Stíl Chicago (17ú heag.)
ebrary, Inc, agus John T. Perry. Energy Prices: Supply, Demand or Speculation? New York: Nova Science Publishers, 2010.
Lua MLA (9ú heag.)
ebrary, Inc, agus John T. Perry. Energy Prices: Supply, Demand or Speculation? Nova Science Publishers, 2010.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.