Gaya APA
Environmental Engineering. (2003).
Amsterdam:
Butterworth-Heinemann.
Gaya Chicago
Environmental Engineering.
.
Amsterdam:
Butterworth-Heinemann,
2003.
Text.
Gaya MLA
Environmental Engineering.
.
Amsterdam:
Butterworth-Heinemann,
2003.
Text.
Gaya Turabian
Environmental Engineering.
Amsterdam:
Butterworth-Heinemann,
2003.
Print.