Irwin, W. (1921). "The next war": An appeal to common sense. E. P. Dutton & Company.
Chicago-referens (17:e uppl.)Irwin, Will. "The Next War": An Appeal to Common Sense. New York: E. P. Dutton & Company, 1921.
MLA-referens (8:e uppl.)Irwin, Will. "The Next War": An Appeal to Common Sense. E. P. Dutton & Company, 1921.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.