APA-referens (7:e uppl.)

Knauthe, E. (1968). Experiences Concerned with Preparation and Carrying-out of Investments. The Institute of National Planning.

Chicago-referens (17:e uppl.)

Knauthe, Erhart. Experiences Concerned with Preparation and Carrying-out of Investments. Cairo: The Institute of National Planning, 1968.

MLA-referens (9:e uppl.)

Knauthe, Erhart. Experiences Concerned with Preparation and Carrying-out of Investments. The Institute of National Planning, 1968.

Varning: dessa hänvisningar är inte alltid fullständigt riktiga.