Παραπομπή APA

Dixboorn, J. V. (1974). Physical structure in systems theory. Academic Press.

Παραπομπή Chicago Style

Dixboorn, J.J. Van. Physical Structure in Systems Theory. London: Academic Press, 1974.

Παραπομπή MLA

Dixboorn, J.J. Van. Physical Structure in Systems Theory. Academic Press, 1974.