Gaya APA
Perurifoy, R, L. et al (1996).
Contruction Planning, Equipment, And Methods (4).
New York:
McGraw- Hill Book Company.
Gaya MLA
Perurifoy, Robert, L.. et al.
"Contruction Planning, Equipment, And Methods".
4
New York:
McGraw- Hill Book Company,
1996.
Text.