Lua APA (7ú heag.)

Pieger, B. (2004). Michael Stettler: 1.1.1913 - 18.6.2003 / Bruno Pieger. Castrum Peregrini.

Lua i Stíl Chicago (17ú heag.)

Pieger, Bruno. "Michael Stettler: 1.1.1913 - 18.6.2003 / Bruno Pieger." Castrum Peregrini 2004.

Lua MLA (8ú heag.)

Pieger, Bruno. "Michael Stettler: 1.1.1913 - 18.6.2003 / Bruno Pieger." Castrum Peregrini, 2004.

Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.