APA

Heerden P. J. v., . (1968). The foundation of empirical knowledge : with a theory of artificial inteligence. Wassenaar: N.V. Uttgeverij Wistik.

Chicago

Heerden Pieter J van, . 1968. The foundation of empirical knowledge : with a theory of artificial inteligence. Wassenaar: N.V. Uttgeverij Wistik.

Harvard

Heerden P. J. v., . (1968). The foundation of empirical knowledge : with a theory of artificial inteligence. Wassenaar: N.V. Uttgeverij Wistik.

MLA

Heerden Pieter J van, . The foundation of empirical knowledge : with a theory of artificial inteligence. Wassenaar: N.V. Uttgeverij Wistik. 1968.