MLA

Jeney, Károly. The History of Tungsram 1896-1945. Ltd. ed. Tungsram: History Committee of Tungsram, 1990.

APA

Jeney, K. (1990). The history of Tungsram 1896-1945. Ltd. ed. Tungsram: History Committee of Tungsram.

Chicago

Jeney, Károly. The History of Tungsram 1896-1945. Ltd. ed. Tungsram: History Committee of Tungsram, 1990.