Gaya APA
Boyce, Ronald Reed. (1982).
Geographic perspectives on global problems : an introduction to geography / Ronald Reed Boyce .
:
New York : John Wiley & Sons.
Gaya Chicago
Boyce, Ronald Reed.
Geographic perspectives on global problems : an introduction to geography / Ronald Reed Boyce.
:
New York : John Wiley & Sons,
1982.
Buku.
Gaya MLA
Boyce, Ronald Reed.
Geographic perspectives on global problems : an introduction to geography / Ronald Reed Boyce.
:
New York : John Wiley & Sons,
1982.
Buku.
Gaya Turabian
Boyce, Ronald Reed.
Geographic perspectives on global problems : an introduction to geography / Ronald Reed Boyce.
:
New York : John Wiley & Sons,
1982.
Buku.