APA (7e ed.) Bronvermelding

Dolmage, C. G. J. Astronomy of To-day: A Popular Introduction in Non-Technical Language.

Chicago (17e ed.) Bronvermelding

Dolmage, Cecil Goodrich Julius. Astronomy of To-day: A Popular Introduction in Non-Technical Language.

MLA (9e ed.) Bronvermelding

Dolmage, Cecil Goodrich Julius. Astronomy of To-day: A Popular Introduction in Non-Technical Language.

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