Chávez-Pérez, O. (2008). Results of geophysical methods of new technology in Andalisia, Spain. Universidad Pedagógica y Tecnológica de Colombia - UPTC.
Čikaški stil citiranja (17. izdanje)Chávez-Pérez, Orestes. Results of Geophysical Methods of New Technology in Andalisia, Spain. Universidad Pedagógica y Tecnológica de Colombia - UPTC, 2008.
MLA način citiranja (9. izdanje)Chávez-Pérez, Orestes. Results of Geophysical Methods of New Technology in Andalisia, Spain. Universidad Pedagógica y Tecnológica de Colombia - UPTC, 2008.
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