Gaya APA
Perry, Donald G.. (1973).
Office Administration :Headquarters and Field .
:
Van Nostrand Reinhold Company.
Gaya Chicago
Perry, Donald G..
Office Administration :Headquarters and Field.
:
Van Nostrand Reinhold Company,
1973.
Art Original.
Gaya MLA
Perry, Donald G..
Office Administration :Headquarters and Field.
:
Van Nostrand Reinhold Company,
1973.
Art Original.
Gaya Turabian
Perry, Donald G..
Office Administration :Headquarters and Field.
:
Van Nostrand Reinhold Company,
1973.
Art Original.