APA Style
Sager, Robert J [et.al]. (1989).
World Geography Today .
Texas:
Holt, Rinehart and Winston.
Chicago Style
Sager, Robert J [et.al].
World Geography Today.
Texas:
Holt, Rinehart and Winston,
1989.
Buku.
MLA Style
Sager, Robert J [et.al].
World Geography Today.
Texas:
Holt, Rinehart and Winston,
1989.
Buku.
Turabian Style
Sager, Robert J [et.al].
World Geography Today.
Texas:
Holt, Rinehart and Winston,
1989.
Buku.