McNichols, T. J. (1977). Executive policy and strategic planning. McGraw Hill.
Chicago Style aipamenaMcNichols, Thomas J. Executive Policy and Strategic Planning. New York: McGraw Hill, 1977.
MLA aipamenaMcNichols, Thomas J. Executive Policy and Strategic Planning. McGraw Hill, 1977.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.