Penggayaan APA
Cox, Dennis P., Cox, Helen R.. (1965).
Introductory geology .
United States of America:
W.H. Freeman and Company.
Chicago Style
Cox, Dennis P., Cox, Helen R..
Introductory geology.
United States of America:
W.H. Freeman and Company,
1965.
Buku.
MLA Style
Cox, Dennis P., Cox, Helen R..
Introductory geology.
United States of America:
W.H. Freeman and Company,
1965.
Buku.
Turabian Style
Cox, Dennis P., Cox, Helen R..
Introductory geology.
United States of America:
W.H. Freeman and Company,
1965.
Buku.