Direct support and general support level :
engine assembly, NSN 2815-00-050-8681, Detroit diesel model GM3-53.

APA Citation

United States. Department of the Air Force., United States. Department of the Army. (1988). Direct support and general support level: engine assembly, NSN 2815-00-050-8681, Detroit diesel model GM3-53. [Washington, DC]: Departments of the Army and the Air Force.

MLA Citation

United States. Department of the Air Force, and United States. Department of the Army. Direct Support And General Support Level: Engine Assembly, NSN 2815-00-050-8681, Detroit Diesel Model GM3-53. [Washington, DC]: Departments of the Army and the Air Force, 1988.