APA (7 वां संस्करण) प्रशस्ति पत्र

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

शिकागो शैली (17वां संस्करण) प्रशस्ति पत्र

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

एमएलए (8वां संस्करण) प्रशस्ति पत्र

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

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