APA

Chamberlain N. W., . (1958). Labor. New York: McGraw-Hill.

Chicago

Chamberlain Neil W, . 1958. Labor. New York: McGraw-Hill.

Harvard

Chamberlain N. W., . (1958). Labor. New York: McGraw-Hill.

MLA

Chamberlain Neil W, . Labor. New York: McGraw-Hill. 1958.