Gaya APA
Peurifoy, R, L. (1985).
Construction planning, equipment & methods (4th ed).
United States of America:
Library of Congress Cataloging.
Gaya MLA
Peurifoy, Robert, L..
"Construction planning, equipment & methods".
4th ed
United States of America:
Library of Congress Cataloging,
1985.
Printed Book.