APA (7e ed.) Bronvermelding

Não informado. (1998). Earth, Planets and Space. Terra Scientific Publishing Company.

Chicago (17e ed.) Bronvermelding

Não informado. Earth, Planets and Space. Tokyo: Terra Scientific Publishing Company, 1998.

MLA (8e ed.) Bronvermelding

Não informado. Earth, Planets and Space. Terra Scientific Publishing Company, 1998.

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