APA (7e ed.) Bronvermelding

Behrens, W. W., & Hawranek, P. M. (1991). Manual for the preparation of industrial feasibility studies. United Nations Industrial Development Organization.

Chicago (17e ed.) Bronvermelding

Behrens, William W., en P. M. Hawranek. Manual for the Preparation of Industrial Feasibility Studies. Viena: United Nations Industrial Development Organization, 1991.

MLA (9e ed.) Bronvermelding

Behrens, William W., en P. M. Hawranek. Manual for the Preparation of Industrial Feasibility Studies. United Nations Industrial Development Organization, 1991.