Deismireacht APA

Brown, S. B. (1972). Realm of science ( 21 Vols.): :vol.16 the substance of our world: earth ,water and air. Touchstone.

Chicago Edition Citation

Brown, Stanley. B. Realm of Science ( 21 Vols.): :vol.16 the Substance of Our World: Earth ,water and Air. USA: Touchstone, 1972.

Deismireacht MLA

Brown, Stanley. B. Realm of Science ( 21 Vols.): :vol.16 the Substance of Our World: Earth ,water and Air. Touchstone, 1972.

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