Παραπομπή APA

Marshall, W. T., & Nelson, H. M. (1977). Structures, SI Unites (2nd ed.). Pitman.

Παραπομπή Chicago Style

Marshall, W T., και H M. Nelson. Structures, SI Unites. 2nd ed. London: Pitman, 1977.

Παραπομπή MLA

Marshall, W T., και H M. Nelson. Structures, SI Unites. 2nd ed. Pitman, 1977.