APA (7e ed.) Bronvermelding

Não informado. (2018). Professional Papers of the Signal Service. Chief Signal Officer.

Chicago (17e ed.) Bronvermelding

Não informado. Professional Papers of the Signal Service. Washington: Chief Signal Officer, 2018.

MLA (8e ed.) Bronvermelding

Não informado. Professional Papers of the Signal Service. Chief Signal Officer, 2018.

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