(1973). PRÉ-FEASIBILIT study of the potencial for development of the Suruaca Valley state of Espírito Santo.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रPRÉ-FEASIBILIT Study of the Potencial for Development of the Suruaca Valley State of Espírito Santo. 1973.
एमएलए (8वां संस्करण) प्रशस्ति पत्रPRÉ-FEASIBILIT Study of the Potencial for Development of the Suruaca Valley State of Espírito Santo. 1973.
चेतावनी: ये उद्धरण हमेशा 100% सटीक नहीं हो सकते हैं.