Stephan Keppel: Soft copy; Enter Enter; Hard Copy.

MLA

Stephan Keppel: Soft Copy; Enter Enter; Hard Copy. Amsterdam: FW BOOKS, 2021.

APA

(2021). Stephan Keppel: Soft copy; Enter Enter; Hard Copy. Amsterdam: FW BOOKS.

Chicago

Stephan Keppel: Soft Copy; Enter Enter; Hard Copy. Amsterdam: FW BOOKS, 2021.