Airman [elektronický zdroj]. Kelly AFB, Tex. : Air Force News Agency. Mode of access: Internet at the Air Force web site. Address as of 11/5/2001: http://www.af.mil/news/airman/ ; current access is available via PURL. Dostupné na internetu: <http://sfx.jib.cz/sfxlcl3?url_ver=Z39.88-2004&ctx_ver=Z39.88-2004&ctx_enc=info:ofi/enc:UTF-8&rfr_id=info:sid/sfxit.com:opac_856&url_ctx_fmt=info:ofi/fmt:kev:mtx:ctx&sfx.ignore_date_threshold=1&rft.object_id=963017861342&svc_val_fmt=info:ofi/fmt:kev:mtx:sch_svc&>