Joint European Conference & Exhibition on Geographical Information Barcelona, Spain, Asociacion Espanola de Sistemas de Informacion Geografica, Rumor, M., McMillan, R., & Ottens, H. F. L. (1996). Geographical information: From research to application through cooperation. Second Joint European Conference & Exhibition on Geographical Information, Barcelona, Spain. IOS Press, Ohmsha.
Παραπομπή σε μορφή Chicago (17η εκδ.)Joint European Conference & Exhibition on Geographical Information Barcelona, Spain, Asociacion Espanola de Sistemas de Informacion Geografica, M. Rumor, R. McMillan, και Henk F. L. Ottens. Geographical Information: From Research to Application Through Cooperation. Second Joint European Conference & Exhibition on Geographical Information, Barcelona, Spain. Amsterdam : Washington, DC : Tokyo: IOS Press, Ohmsha, 1996.
Παραπομπή σε μορφή MLA (9th εκδ.)Joint European Conference & Exhibition on Geographical Information Barcelona, Spain, et al. Geographical Information: From Research to Application Through Cooperation. Second Joint European Conference & Exhibition on Geographical Information, Barcelona, Spain. IOS Press, Ohmsha, 1996.