Álvarez-Chaparro, B. A. (2017). Environmental impact study on the special reserve area municipalities of Puerto Boyacá, Puerto Nary y Puerto Triunfo. Universidad Pedagógica y Tecnológica de Colombia - UPTC.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रÁlvarez-Chaparro, Belkis Adriana. Environmental Impact Study on the Special Reserve Area Municipalities of Puerto Boyacá, Puerto Nary Y Puerto Triunfo. Universidad Pedagógica y Tecnológica de Colombia - UPTC, 2017.
एमएलए (9वां संस्करण) प्रशस्ति पत्रÁlvarez-Chaparro, Belkis Adriana. Environmental Impact Study on the Special Reserve Area Municipalities of Puerto Boyacá, Puerto Nary Y Puerto Triunfo. Universidad Pedagógica y Tecnológica de Colombia - UPTC, 2017.
चेतावनी: ये उद्धरण हमेशा 100% सटीक नहीं हो सकते हैं.