Gaya APA
Winterkorn, H, F. (1975).
Foundation Engineering Handbook (^a1 ^bJilid 1).
New York:
Van nostrand reinhono company.
Gaya MLA
Winterkorn, Hans, F..
"Foundation Engineering Handbook".
^a1 ^bJilid 1
New York:
Van nostrand reinhono company,
1975.
Text.