Style de citation APA

(1991). Geographical information systems: Principles and applications. Harlow, Essex, England: Longman Scientific & Technical.

Style de citation Chicago

Geographical Information Systems: Principles and Applications. Harlow, Essex, England: Longman Scientific & Technical, 1991.

Style de citation MLA

Geographical Information Systems: Principles and Applications. Harlow, Essex, England: Longman Scientific & Technical, 1991.

Attention : ces citations peuvent ne pas être correctes à 100%.