APA način citiranja (7. izdanje)

Behrens, W. (1991). Manual for the preparation of industrial feasibility studies. UNIDO.

Čikaški stil citiranja (17. izdanje)

Behrens, W. Manual for the Preparation of Industrial Feasibility Studies. Vienna: UNIDO, 1991.

MLA način citiranja (9. izdanje)

Behrens, W. Manual for the Preparation of Industrial Feasibility Studies. UNIDO, 1991.