Howe, L. (1917). Universal military education and service: The Swiss system for the United States (2nd ed.). G. P. Putnam's sons.
Lua i Stíl Chicago (17ú heag.)Howe, Lucien. Universal Military Education and Service: The Swiss System for the United States. 2nd ed. New York and London: G. P. Putnam's sons, 1917.
Lua MLA (8ú heag.)Howe, Lucien. Universal Military Education and Service: The Swiss System for the United States. 2nd ed. G. P. Putnam's sons, 1917.
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