LASSER'S, J. (1968). Business Management Handbook J.k. Lasser's. McGraw-Hill.
Chicago Style aipamenaLASSER'S, J.K. Business Management Handbook J.k. Lasser's. McGraw-Hill, 1968.
MLA aipamenaLASSER'S, J.K. Business Management Handbook J.k. Lasser's. McGraw-Hill, 1968.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.