Παραπομπή APA

Noltingk, B. E. (1959). The human element in research management. Elsevier Pub. Co.

Παραπομπή Chicago Style

Noltingk, B. E. The Human Element in Research Management. London: Elsevier Pub. Co, 1959.

Παραπομπή MLA

Noltingk, B. E. The Human Element in Research Management. Elsevier Pub. Co, 1959.