Παραπομπή σε μορφή APA (7η εκδ.)

Folk, G. E. (1942). Patents and industrial progress: A summary, analysis, and evaluation of the record on patents of the Temporary National Economic Committee. Harper & Brothers.

Παραπομπή σε μορφή Chicago (17η εκδ.)

Folk, George E. Patents and Industrial Progress: A Summary, Analysis, and Evaluation of the Record on Patents of the Temporary National Economic Committee. New York, London: Harper & Brothers, 1942.

Παραπομπή σε μορφή MLA (8th εκδ.)

Folk, George E. Patents and Industrial Progress: A Summary, Analysis, and Evaluation of the Record on Patents of the Temporary National Economic Committee. Harper & Brothers, 1942.