Minnesota University. Underground Space Center, Minnesota University. Underground Space Center, . (1979). Earth sheltered housing design. New York: Van Nostrand Reinhold Company.
Chicago
Minnesota University. Underground Space Center, Minnesota University. Underground Space Center, . 1979. Earth sheltered housing design. New York: Van Nostrand Reinhold Company.
Harvard
Minnesota University. Underground Space Center, Minnesota University. Underground Space Center, . (1979). Earth sheltered housing design. New York: Van Nostrand Reinhold Company.
MLA
Minnesota University. Underground Space Center, Minnesota University. Underground Space Center, . Earth sheltered housing design. New York: Van Nostrand Reinhold Company. 1979.
