APA

Heerman B., . (1997). Building team spirit : activities for inspiring and energizing teams. New York: McGraw-Hill.

Chicago

Heerman Barry, . 1997. Building team spirit : activities for inspiring and energizing teams. New York: McGraw-Hill.

Harvard

Heerman B., . (1997). Building team spirit : activities for inspiring and energizing teams. New York: McGraw-Hill.

MLA

Heerman Barry, . Building team spirit : activities for inspiring and energizing teams. New York: McGraw-Hill. 1997.