APA

Silvertown J. W., Sarre P. & Open University. (1990). Environment and society. London u.a: Hodder and Stoughton in assoc. with The Open University.

Chicago

Silvertown Jonathan W, Sarre Philip and Open University. 1990. Environment and society. London u.a: Hodder and Stoughton in assoc. with The Open University.

Harvard

Silvertown J. W., Sarre P. and Open University. (1990). Environment and society. London u.a: Hodder and Stoughton in assoc. with The Open University.

MLA

Silvertown Jonathan W, Sarre Philip and Open University. Environment and society. London u.a: Hodder and Stoughton in assoc. with The Open University. 1990.