Παραπομπή σε μορφή APA (7η εκδ.)

Martin, J. W. (1952). Paducah and McCracken County revenue base. Agricultural and Industrial Development Board of Kentucky.

Παραπομπή σε μορφή Chicago (17η εκδ.)

Martin, James Walter. Paducah and McCracken County Revenue Base. Frankfort: Agricultural and Industrial Development Board of Kentucky, 1952.

Παραπομπή σε μορφή MLA (8th εκδ.)

Martin, James Walter. Paducah and McCracken County Revenue Base. Agricultural and Industrial Development Board of Kentucky, 1952.