Gaya APA
Rossnagel, W. (1988).
Handbook of rigging : for construction and industrial operations (4th ed.).
New York:
McGraw-Hill Book Company.
Gaya MLA
Rossnagel, W.E..
"Handbook of rigging : for construction and industrial operations".
4th ed.
New York:
McGraw-Hill Book Company,
1988.
Text.