Gaya APA
Environmental Engineers' Handbook. (1974).
Cina:
Chilton Book Company.
Gaya Chicago
Environmental Engineers' Handbook.
Volume 2 Air Pollution.
Cina:
Chilton Book Company,
1974.
Text.
Gaya MLA
Environmental Engineers' Handbook.
Volume 2 Air Pollution.
Cina:
Chilton Book Company,
1974.
Text.
Gaya Turabian
Environmental Engineers' Handbook.
Cina:
Chilton Book Company,
1974.
Print.