Παραπομπή σε μορφή APA (7η εκδ.)

Sommerfeld, R. M. (1966). Tax reform and the Alliance for progress. Institute of Latin American Studies y the University of Texas Press.

Παραπομπή σε μορφή Chicago (17η εκδ.)

Sommerfeld, Raynard M. Tax Reform and the Alliance for Progress. Austin: Institute of Latin American Studies y the University of Texas Press, 1966.

Παραπομπή σε μορφή MLA (9th εκδ.)

Sommerfeld, Raynard M. Tax Reform and the Alliance for Progress. Institute of Latin American Studies y the University of Texas Press, 1966.