APA
Nicholas Willems, Wiliam M Lucas, . (1968). Matrix Analysis for Structural Engineers. New Jersey: PRINTER HALL INC ENGLEWOOD.
Chicago
Nicholas Willems, Wiliam M Lucas, . 1968. Matrix Analysis for Structural Engineers. New Jersey: PRINTER HALL INC ENGLEWOOD.
Harvard
Nicholas Willems, Wiliam M Lucas, . (1968). Matrix Analysis for Structural Engineers. New Jersey: PRINTER HALL INC ENGLEWOOD.
MLA
Nicholas Willems, Wiliam M Lucas, . Matrix Analysis for Structural Engineers. New Jersey: PRINTER HALL INC ENGLEWOOD. 1968.