Gaya APA
Jackson, Richard H, Hudman, Lloyd E. (1986).
World regional geography : issues for today .
New York:
John Wiley.
Gaya Chicago
Jackson, Richard H, Hudman, Lloyd E.
World regional geography : issues for today.
New York:
John Wiley,
1986.
Buku.
Gaya MLA
Jackson, Richard H, Hudman, Lloyd E.
World regional geography : issues for today.
New York:
John Wiley,
1986.
Buku.
Gaya Turabian
Jackson, Richard H, Hudman, Lloyd E.
World regional geography : issues for today.
New York:
John Wiley,
1986.
Buku.