Gaya APA
CHECKLAND,Peter. (1981).
Systems Thinking Systems Practice .
Chichester:
John Wiley and Sons.
Gaya Chicago
CHECKLAND,Peter.
Systems Thinking Systems Practice.
Chichester:
John Wiley and Sons,
1981.
Teks.
Gaya MLA
CHECKLAND,Peter.
Systems Thinking Systems Practice.
Chichester:
John Wiley and Sons,
1981.
Teks.
Gaya Turabian
CHECKLAND,Peter.
Systems Thinking Systems Practice.
Chichester:
John Wiley and Sons,
1981.
Teks.