Gaya APA
Richard G. Ahlvin, P.E.. (1988).
Construction Guide For Soils and Foundations (2).
Canada:
john Wiley \r Sons Inc.
Gaya Chicago
Richard G. Ahlvin, P.E..
Construction Guide For Soils and Foundations.
2
Canada:
john Wiley \r Sons Inc,
1988.
Text.
Gaya MLA
Richard G. Ahlvin, P.E..
Construction Guide For Soils and Foundations.
2
Canada:
john Wiley \r Sons Inc,
1988.
Text.
Gaya Turabian
Richard G. Ahlvin, P.E..
Construction Guide For Soils and Foundations.
2
Canada:
john Wiley \r Sons Inc,
1988.
Print.