Hough, L. (1970). Modern research for administrative decisions. Prentice-Hall.
Cita Chicago (17th ed.)Hough, Louis. Modern Research for Administrative Decisions. Englewood Cliffs, N.J: Prentice-Hall, 1970.
Cita MLA (9th ed.)Hough, Louis. Modern Research for Administrative Decisions. Prentice-Hall, 1970.
Atenció: Aquestes cites poden no estar 100% correctes.