Owens, R. N. (1954). Introduction to business policy. Richard D Irwin.
Chicago Style aipamenaOwens, Richard N. Introduction to Business Policy. Illinois: Richard D Irwin, 1954.
MLA aipamenaOwens, Richard N. Introduction to Business Policy. Richard D Irwin, 1954.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.