APA

Heyel C., . (1955). The foreman's handbook. New York: McGraw-Hill.

Chicago

Heyel Carl, . 1955. The foreman's handbook. New York: McGraw-Hill.

Harvard

Heyel C., . (1955). The foreman's handbook. New York: McGraw-Hill.

MLA

Heyel Carl, . The foreman's handbook. New York: McGraw-Hill. 1955.