Gaya APA
Soil and foundations. (1981).
Englewood:
Prentice Hall.
Gaya Chicago
Soil and foundations.
.
Englewood:
Prentice Hall,
1981.
Reference.
Gaya MLA
Soil and foundations.
.
Englewood:
Prentice Hall,
1981.
Reference.
Gaya Turabian
Soil and foundations.
Englewood:
Prentice Hall,
1981.
Reference.