APA (7 वां संस्करण) प्रशस्ति पत्र

Underwood, D. K. (1994). Oscar Niemeyer and Brazilian free-form modernism (1st edition.). G. Braziller.

शिकागो शैली (17वां संस्करण) प्रशस्ति पत्र

Underwood, David Kendrick. Oscar Niemeyer and Brazilian Free-form Modernism. 1st edition. New York: G. Braziller, 1994.

एमएलए (8वां संस्करण) प्रशस्ति पत्र

Underwood, David Kendrick. Oscar Niemeyer and Brazilian Free-form Modernism. 1st edition. G. Braziller, 1994.