Gaya APA
Roberts, A.. (1981).
Geotechnology: An Introductory Text For Students and Engineers .
:
Pergamon Press.
Gaya Chicago
Roberts, A..
Geotechnology: An Introductory Text For Students and Engineers.
:
Pergamon Press,
1981.
Text.
Gaya MLA
Roberts, A..
Geotechnology: An Introductory Text For Students and Engineers.
:
Pergamon Press,
1981.
Text.
Gaya Turabian
Roberts, A..
Geotechnology: An Introductory Text For Students and Engineers.
:
Pergamon Press,
1981.
Print.