Lua APA (7ú heag.)

Petri, B., Wagner, E., & Wilhelm, S. (1998). memo 38.

Lua i Stíl Chicago (17ú heag.)

Petri, Barbara, Ellen Wagner, agus Susanne Wilhelm. Memo 38. Wiesbaden, 1998.

Lua MLA (8ú heag.)

Petri, Barbara, et al. Memo 38. 1998.

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