Gaya APA
HORNUNG, William j. (1982).
Plumbing and heating .
United States of America:
Prentice Hall.
Gaya Chicago
HORNUNG, William j.
Plumbing and heating.
United States of America:
Prentice Hall,
1982.
Text.
Gaya MLA
HORNUNG, William j.
Plumbing and heating.
United States of America:
Prentice Hall,
1982.
Text.
Gaya Turabian
HORNUNG, William j.
Plumbing and heating.
United States of America:
Prentice Hall,
1982.
Print.