Gaya APA
OPTNER, S, L. (1960).
SYSTEMS ANALYSIS FOR BUSINESS MANAGEMENT .
Englewood Cliffs, N J.:
PRENTICE-HALL, INC..
Gaya MLA
OPTNER, Stanford, L..
"SYSTEMS ANALYSIS FOR BUSINESS MANAGEMENT".
Englewood Cliffs, N J.:
PRENTICE-HALL, INC.,
1960.
Textbook.