Singh, Jasbir
Agricultural geography
Tata McGraw-Hill, 1984
 Buku Teks
Getis, Arthur
Introduction to geography
McGraw-Hill Higher Education, 2009
 Buku Teks
Kendall, Henry M.
Introduction to geography
Harcourt, Brace, 1958
 Buku Teks
Getis, Arthur
Introduction to geography
McGraw-Hill, 2000
 Buku Teks
Introduction to geography
by Arthur Getis ... [and others]
McGraw-Hill, 2011
 Buku Teks