Gaya APA
Haines, S, G. (2000).
The Systems thinking approach to strategic planning and management .
Boca Raton:
St. Lucie.
Gaya MLA
Haines, Stephen, G..
"The Systems thinking approach to strategic planning and management".
Boca Raton:
St. Lucie,
2000.
Buku/Printed Material.