APA Style
Ramsey, William L., Burckley, Raymond A.. (1961).
Modern earth science .
New York:
Holt Rinehart and Winston.
Chicago Style
Ramsey, William L., Burckley, Raymond A..
Modern earth science.
New York:
Holt Rinehart and Winston,
1961.
Buku Teks.
MLA Style
Ramsey, William L., Burckley, Raymond A..
Modern earth science.
New York:
Holt Rinehart and Winston,
1961.
Buku Teks.
Turabian Style
Ramsey, William L., Burckley, Raymond A..
Modern earth science.
New York:
Holt Rinehart and Winston,
1961.
Buku Teks.