APA
Cross H., . (1949). Numerical methods of analysis in engineering. New York: The macmillan company - New York -1949.
Chicago
Cross Hardy, . 1949. Numerical methods of analysis in engineering. New York: The macmillan company - New York -1949.
Harvard
Cross H., . (1949). Numerical methods of analysis in engineering. New York: The macmillan company - New York -1949.
MLA
Cross Hardy, . Numerical methods of analysis in engineering. New York: The macmillan company - New York -1949. 1949.