Παραπομπή σε μορφή APA (7η εκδ.)

Frohlich, E. A. (1994). Manual for small industrial businesses: Project design and appraisal. United Nations Industrial Development Organization.

Παραπομπή σε μορφή Chicago (17η εκδ.)

Frohlich, E. A. Manual for Small Industrial Businesses: Project Design and Appraisal. Vienna: United Nations Industrial Development Organization, 1994.

Παραπομπή σε μορφή MLA (8th εκδ.)

Frohlich, E. A. Manual for Small Industrial Businesses: Project Design and Appraisal. United Nations Industrial Development Organization, 1994.