Gaya APA
Masters, Gilbert M.. (1991).
Introduction To Environmental Engineering and Science (^a1 ^bJilid 1).
USA:
Prentice hall International.
Gaya Chicago
Masters, Gilbert M..
Introduction To Environmental Engineering and Science.
^a1 ^bJilid 1
USA:
Prentice hall International,
1991.
Text.
Gaya MLA
Masters, Gilbert M..
Introduction To Environmental Engineering and Science.
^a1 ^bJilid 1
USA:
Prentice hall International,
1991.
Text.
Gaya Turabian
Masters, Gilbert M..
Introduction To Environmental Engineering and Science.
^a1 ^bJilid 1
USA:
Prentice hall International,
1991.
Print.