Febvre, Lucien, author
Routledge, 1996
Buku Teks
James, Preston E., author
John Wiley & Sons, 1981
Buku Teks
Getis, Arthur, author
McGraw-Hill Higher Education, 2009
Buku Teks
Kendall, Henry M., author
Harcourt, Brace, 1958
Buku Teks
Getis, Arthur, author
McGraw-Hill, 2000
Buku Teks