Lua APA (7ú heag.)
Wray, R. D. (2009). Christmas trees for pleasure and profit (4th ed.). Rutgers University Press.
Lua i Stíl Chicago (17ú heag.)
Wray, Robert D. Christmas Trees for Pleasure and Profit. 4th ed. New Brunswick, N.J.: Rutgers University Press, 2009.
Lua MLA (9ú heag.)
Wray, Robert D. Christmas Trees for Pleasure and Profit. 4th ed. Rutgers University Press, 2009.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.