Gaya APA
Legget, Robert F.. (1962).
Geology and engineering (text).
New York:
Kogakusha Company, Inc.
Gaya Chicago
Legget, Robert F..
Geology and engineering.
text
New York:
Kogakusha Company, Inc,
1962.
Tesis.
Gaya MLA
Legget, Robert F..
Geology and engineering.
text
New York:
Kogakusha Company, Inc,
1962.
Tesis.
Gaya Turabian
Legget, Robert F..
Geology and engineering.
text
New York:
Kogakusha Company, Inc,
1962.
Tesis.