Radio navigational aids /
prepared and published by the National Imagery and Mapping Agency

APA Citation

United States. National Imagery and Mapping Agency. (2002). Radio navigational aids. [Rev. ed.] Bethesda, Md.: The Agency .

MLA Citation

United States. National Imagery and Mapping Agency. Radio Navigational Aids. [Rev. ed.] Bethesda, Md.: The Agency , 2002.

Warning: These citations may not always be complete (especially for serials).