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Gaya APA
Office Management and Control. (1970).
United States:
Richard D. Irwin, INC.
Gaya Chicago
Office Management and Control.
6th Ed.
United States:
Richard D. Irwin, INC,
1970.
Text.
Gaya MLA
Office Management and Control.
6th Ed.
United States:
Richard D. Irwin, INC,
1970.
Text.
Gaya Turabian
Office Management and Control.
United States:
Richard D. Irwin, INC,
1970.
Print.