Lua APA (7ú heag.)
Kretschmar-Joehnk, C., & Joehnk, P. (2014). 101 Hotel Baths & Spas (4th ed.). Braun Publishing.
Lua i Stíl Chicago (17ú heag.)
Kretschmar-Joehnk, Corinna, agus Peter Joehnk. 101 Hotel Baths & Spas. 4th ed. Salenstein, Switzerland: Braun Publishing, 2014.
Lua MLA (9ú heag.)
Kretschmar-Joehnk, Corinna, agus Peter Joehnk. 101 Hotel Baths & Spas. 4th ed. Braun Publishing, 2014.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.