APA
American Management Association, American Management Association, . (1947). How to prepare and maintain a supervisors' policy. New York: The Author USA.
Chicago
American Management Association, American Management Association, . 1947. How to prepare and maintain a supervisors' policy. New York: The Author USA.
Harvard
American Management Association, American Management Association, . (1947). How to prepare and maintain a supervisors' policy. New York: The Author USA.
MLA
American Management Association, American Management Association, . How to prepare and maintain a supervisors' policy. New York: The Author USA. 1947.
