APA (7e ed.) Bronvermelding

Não informado. (1949). Air university periodical index. University Library, Maxwell Air Force Base.

Chicago (17e ed.) Bronvermelding

Não informado. Air University Periodical Index. Montgomery, Ala: University Library, Maxwell Air Force Base, 1949.

MLA (8e ed.) Bronvermelding

Não informado. Air University Periodical Index. University Library, Maxwell Air Force Base, 1949.

Let op: Deze citaties zijn niet altijd 100% accuraat.