Gaya APA
An Introduction to systems thinking. (2003).
Lebanon:
High performance systems.
Gaya Chicago
An Introduction to systems thinking.
.
Lebanon:
High performance systems,
2003.
Text.
Gaya MLA
An Introduction to systems thinking.
.
Lebanon:
High performance systems,
2003.
Text.
Gaya Turabian
An Introduction to systems thinking.
Lebanon:
High performance systems,
2003.
Print.