APA

Levitt R. E., Samelson Nancy Morse, . (1987). Construction safety management. New York: McGraw-Hill.

Chicago

Levitt Raymond E, Samelson Nancy Morse, . 1987. Construction safety management. New York: McGraw-Hill.

Harvard

Levitt R. E., Samelson Nancy Morse, . (1987). Construction safety management. New York: McGraw-Hill.

MLA

Levitt Raymond E, Samelson Nancy Morse, . Construction safety management. New York: McGraw-Hill. 1987.