Παραπομπή σε μορφή APA (7η εκδ.)

Gottner, H. R. (1968). On The Critical Path Method (C.P.M) and its Application in the G.D.R. The Institute of National Planning.

Παραπομπή σε μορφή Chicago (17η εκδ.)

Gottner, Habil Reinhard. On The Critical Path Method (C.P.M) and Its Application in the G.D.R. Cairo: The Institute of National Planning, 1968.

Παραπομπή σε μορφή MLA (9th εκδ.)

Gottner, Habil Reinhard. On The Critical Path Method (C.P.M) and Its Application in the G.D.R. The Institute of National Planning, 1968.