APA (7e ed.) Bronvermelding

Não informado. (1968). Greenwich Time Report. Royal Greenwich Observatory, Time and Latitude Service.

Chicago (17e ed.) Bronvermelding

Não informado. Greenwich Time Report. Hailshan, Inglaterra: Royal Greenwich Observatory, Time and Latitude Service, 1968.

MLA (8e ed.) Bronvermelding

Não informado. Greenwich Time Report. Royal Greenwich Observatory, Time and Latitude Service, 1968.

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