Παραπομπή σε μορφή APA (7η εκδ.)

Prakke, H., & Hardt, H. (1971). Towards a philosophy of publicistics. Center of the advanced studies of communication, the University of Iowa.

Παραπομπή σε μορφή Chicago (17η εκδ.)

Prakke, Henk, και Hanno Hardt. Towards a Philosophy of Publicistics. Iowa: Center of the advanced studies of communication, the University of Iowa, 1971.

Παραπομπή σε μορφή MLA (8th εκδ.)

Prakke, Henk, και Hanno Hardt. Towards a Philosophy of Publicistics. Center of the advanced studies of communication, the University of Iowa, 1971.