Pinter, N., Pinter, S., & Botkin, D. B. (1995). Study guide [to accompany] Environmental science-earth as a living planet. John Wiley.
Chicago-viite (17. p.)Pinter, Nicholas, Susann Pinter, ja Daniel B. Botkin. Study Guide [to Accompany] Environmental Science-earth as a Living Planet. New York, Chichester: John Wiley, 1995.
MLA-viite (9. p.)Pinter, Nicholas, et al. Study Guide [to Accompany] Environmental Science-earth as a Living Planet. John Wiley, 1995.
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