APA aipamena

Hillard, J. (1976). Political and legal factors and regulation P881 Unit 14. Open University Press.

Chicago Style aipamena

Hillard, John. Political and Legal Factors and Regulation P881 Unit 14. England: Open University Press, 1976.

MLA aipamena

Hillard, John. Political and Legal Factors and Regulation P881 Unit 14. Open University Press, 1976.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.