APA

Sutermeister R. A., . (1969). People and productivity. New York: McGraw-Hill.

Chicago

Sutermeister Robert A, . 1969. People and productivity. New York: McGraw-Hill.

Harvard

Sutermeister R. A., . (1969). People and productivity. New York: McGraw-Hill.

MLA

Sutermeister Robert A, . People and productivity. New York: McGraw-Hill. 1969.