Charles Cockell & Cockell, C. (2008). Introduction to the Earth-life system (Co-published ed.). Cambridge University Press ; In association with The Open University.
استشهاد بنمط شيكاغوCharles Cockell و Charles Cockell. Introduction to the Earth-life System. Co-published ed. Cambridge, UK ; New York : Milton Keynes, UK: Cambridge University Press ; In association with The Open University, 2008.
MLA استشهادCharles Cockell و Charles Cockell. Introduction to the Earth-life System. Co-published ed. Cambridge University Press ; In association with The Open University, 2008.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.