Montenegro, O., Bayona, G., Ayala, C., Ojeda, C., Cardona, A., Lemus, F., . . . Valencia, V. (2009). Compositional and provenance changes of paleocene sandstones in the eastern cordillera and western side of the Maracaibo block. Universidad Pedagógica y Tecnológica de Colombia - UPTC.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रMontenegro, Omar, Germán Bayona, Carolina Ayala, Carolina Ojeda, Agustín Cardona, Felipe Lemus, Albeiro López, और Víctor Valencia. Compositional and Provenance Changes of Paleocene Sandstones in the Eastern Cordillera and Western Side of the Maracaibo Block. Universidad Pedagógica y Tecnológica de Colombia - UPTC, 2009.
एमएलए (9वां संस्करण) प्रशस्ति पत्रMontenegro, Omar, et al. Compositional and Provenance Changes of Paleocene Sandstones in the Eastern Cordillera and Western Side of the Maracaibo Block. Universidad Pedagógica y Tecnológica de Colombia - UPTC, 2009.
