Lua APA (7ú heag.)

Barkhoff, H., & Fetting, H. (1965). Ernst Legal (o.A.). Henschelverlag.

Lua i Stíl Chicago (17ú heag.)

Barkhoff, Hermann, agus Hugo Fetting. Ernst Legal. o.A. Berlin: Henschelverlag, 1965.

Lua MLA (8ú heag.)

Barkhoff, Hermann, agus Hugo Fetting. Ernst Legal. o.A. Henschelverlag, 1965.

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