APA

Grillo E. V., Berg C. J., . (1959). Work measurement in the office. New York: McGraw Hill Book CO, Inc.

Chicago

Grillo Elmer V, Berg Charles J, . 1959. Work measurement in the office. New York: McGraw Hill Book CO, Inc.

Harvard

Grillo E. V., Berg C. J., . (1959). Work measurement in the office. New York: McGraw Hill Book CO, Inc.

MLA

Grillo Elmer V, Berg Charles J, . Work measurement in the office. New York: McGraw Hill Book CO, Inc. 1959.