Gaya APA
The Earth An Introduction to Physical Geology. (1987).
Ohio:
Merrill Publishing.
Gaya Chicago
The Earth An Introduction to Physical Geology.
.
Ohio:
Merrill Publishing,
1987.
.
Gaya MLA
The Earth An Introduction to Physical Geology.
.
Ohio:
Merrill Publishing,
1987.
.
Gaya Turabian
The Earth An Introduction to Physical Geology.
Ohio:
Merrill Publishing,
1987.
.