APA

Likert R., .New patterns of management. New York: MacGraw-Hill Book Company.

Chicago

Likert Rensis, .New patterns of management. New York: MacGraw-Hill Book Company.

Harvard

Likert R., .New patterns of management. New York: MacGraw-Hill Book Company.

MLA

Likert Rensis, .New York: MacGraw-Hill Book Company. .