Παραπομπή APA

Brittel, L. R. (1959). What every supervisor should know. McGraw Hill.

Παραπομπή Chicago Style

Brittel, Lester R. What Every Supervisor Should Know. New york: McGraw Hill, 1959.

Παραπομπή MLA

Brittel, Lester R. What Every Supervisor Should Know. McGraw Hill, 1959.