Gaya APA
Blyth, F., MH., D, F.
(1984).
A geology for engineers
(
7th ed)
.
London:
Edward Arnold.
Gaya MLA
Blyth, FGH.., MH., De, Freitas,.
"A geology for engineers".
7th ed
London:
Edward Arnold,
1984.
Printed Book.