Gaya APA

Bogard, M, R. (1979). The Manager's Style Book Communication Skrills To Improve Your Performance . New Jersey: A Spectrum Book Prentice - Hall, Inc, Enylewood Cliffs.

Gaya MLA

Bogard, Morris, R.. "The Manager's Style Book Communication Skrills To Improve Your Performance". New Jersey: A Spectrum Book Prentice - Hall, Inc, Enylewood Cliffs, 1979. Text.