HANNIG, W. (1988). Towards A Blue Revolution Wolfgang Hannig. Gajah Mada University Press.
Lua i Stíl Chicago (17ú heag.)HANNIG, Wolfgang. Towards A Blue Revolution Wolfgang Hannig. Gajah Mada University Press, 1988.
Lua MLA (8ú heag.)HANNIG, Wolfgang. Towards A Blue Revolution Wolfgang Hannig. Gajah Mada University Press, 1988.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.