Marshall, W. T., & Nelson, H. M. (1977). Structures, SI Unites (2nd ed.). Pitman.
Chicago Edition CitationMarshall, W T., i H M. Nelson. Structures, SI Unites. 2nd ed. London: Pitman, 1977.
Cita MLAMarshall, W T., i H M. Nelson. Structures, SI Unites. 2nd ed. Pitman, 1977.
Atenció: Aquestes cites poden no estar 100% correctes.