Mellon, W. G. (1962). An approach to a general theory of priorities: An outline of problems and methods. University Microfilms.
Cita Chicago (17th ed.)Mellon, Walter Giles. An Approach to a General Theory of Priorities: An Outline of Problems and Methods. [Ann Arbor, Mich: University Microfilms, 1962.
Cita MLA (9th ed.)Mellon, Walter Giles. An Approach to a General Theory of Priorities: An Outline of Problems and Methods. University Microfilms, 1962.
Atenció: Aquestes cites poden no estar 100% correctes.