APA Style
Ludman, Allan. (1982).
Physical Geology .
Bandung:
McGrow -Hill Book Company.
Chicago Style
Ludman, Allan.
Physical Geology.
Bandung:
McGrow -Hill Book Company,
1982.
Buku Teks.
MLA Style
Ludman, Allan.
Physical Geology.
Bandung:
McGrow -Hill Book Company,
1982.
Buku Teks.
Turabian Style
Ludman, Allan.
Physical Geology.
Bandung:
McGrow -Hill Book Company,
1982.
Buku Teks.