Zech, G., Schmadel, L. D., Fricke, W., Hofmann, W., Krahn, D., Rosa, D., . . . Böhme, S. Author and Subject Indexes: To Volumes 11-14 and 17-22 Literature 1974-1978. Springer International Publishing.
Lua i Stíl Chicago (17ú heag.)Zech, Gert, Lutz D. Schmadel, Walter Fricke, Werner Hofmann, Dietlinde Krahn, D. Rosa, Inge Heinrich, Ute Esser, agus S. Böhme. Author and Subject Indexes: To Volumes 11-14 and 17-22 Literature 1974-1978. Cham: Springer International Publishing.
Lua MLA (8ú heag.)Zech, Gert, et al. Author and Subject Indexes: To Volumes 11-14 and 17-22 Literature 1974-1978. Springer International Publishing.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.