APA (7th ed.) Zitazioa
Grotelueschen, M. E. (2001). Doctrine under trial: American artillery employment in World War I. Greenwood Press.
Chicago Style (17th ed.) Zitazioa
Grotelueschen, Mark E. Doctrine Under Trial: American Artillery Employment in World War I. Westport, Conn.: Greenwood Press, 2001.
MLA (9th ed.) Zitazioa
Grotelueschen, Mark E. Doctrine Under Trial: American Artillery Employment in World War I. Greenwood Press, 2001.
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