APA

Lewis R., Stewart R. c., .The managers : a new examination of the english, german & american executive. New York: The New American Library.

Chicago

Lewis Roy, Stewart Rosemary coaut, .The managers : a new examination of the english, german & american executive. New York: The New American Library.

Harvard

Lewis R., Stewart R. c., .The managers : a new examination of the english, german & american executive. New York: The New American Library.

MLA

Lewis Roy, Stewart Rosemary coaut, .New York: The New American Library. .