Cita APA (7th ed.)

Arieff, A., & Burkhart, B. (2005). Spa. Taschen.

Cita Chicago (17th ed.)

Arieff, Allison, i Bryan Burkhart. Spa. Barcelona: Taschen, 2005.

Cita MLA (8th ed.)

Arieff, Allison, i Bryan Burkhart. Spa. Taschen, 2005.