Toskey, Burnett R., author
Addison-Wesly, 1962
Buku Teks
Beckenbach, Edwin F., author
Wadsworth, 1968
Buku Teks
Harmon, Frank L., author
Dickenson, 1996
Buku Teks
Nehru, Jawaharlal, 1889-1964, author
Oxfrod University Press, 1982
Buku Teks
Nehru, Jawaharlal, 1889-1964, author
Oxford University Press, 1982,
Buku Referensi