Littlefield, C. L., Rachel, F., & Caruth, D. L. (1970). Office and administrative management: Systems analysis, data processing, and office services (3rd ed.). Prentice-Hall.
Cita Chicago (17th ed.)Littlefield, Cleatice L., Frank Rachel, i Donald L. Caruth. Office and Administrative Management: Systems Analysis, Data Processing, and Office Services. 3rd ed. englewood Cliffs, N. J: Prentice-Hall, 1970.
Cita MLA (9th ed.)Littlefield, Cleatice L., et al. Office and Administrative Management: Systems Analysis, Data Processing, and Office Services. 3rd ed. Prentice-Hall, 1970.
Atenció: Aquestes cites poden no estar 100% correctes.