Lua APA (7ú heag.)

Gottner, H. R. (1968). On The Planning Method "PERT" and its Application in the GDR. The Institute of National Planning.

Lua i Stíl Chicago (17ú heag.)

Gottner, Habil Reinhard. On The Planning Method "PERT" and Its Application in the GDR. Cairo: The Institute of National Planning, 1968.

Lua MLA (9ú heag.)

Gottner, Habil Reinhard. On The Planning Method "PERT" and Its Application in the GDR. The Institute of National Planning, 1968.

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