(2009). St. Petersburg. Merian.
Lua i Stíl Chicago (17ú heag.)"St. Petersburg." Merian 2009.
Lua MLA (8ú heag.)"St. Petersburg." Merian, 2009.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.
Lua APA (7ú heag.)