Gaya APA
Legget, Robert F.. (1962).
Geology Annd Engineering (Second Ed.).
New York:
McGraw-Hill Book co.
Gaya Chicago
Legget, Robert F..
Geology Annd Engineering.
Second Ed.
New York:
McGraw-Hill Book co,
1962.
Text.
Gaya MLA
Legget, Robert F..
Geology Annd Engineering.
Second Ed.
New York:
McGraw-Hill Book co,
1962.
Text.
Gaya Turabian
Legget, Robert F..
Geology Annd Engineering.
Second Ed.
New York:
McGraw-Hill Book co,
1962.
Print.