APA

Chamberlain N. W., Cullen D. E., . (1965). The labor sector. New York: McGraw-Hill.

Chicago

Chamberlain Neil W, Cullen Donald E, . 1965. The labor sector. New York: McGraw-Hill.

Harvard

Chamberlain N. W., Cullen D. E., . (1965). The labor sector. New York: McGraw-Hill.

MLA

Chamberlain Neil W, Cullen Donald E, . The labor sector. New York: McGraw-Hill. 1965.