edited by David A. Hodges
JEEE Press, 1972
Buku Teks
Pamuk, Orhan
Alfred A. Knopf, 2017
Buku Teks
Truman, Harry S.
Buku Teks
edited by Vandana Malhotra
Mala Sekhri, 2006
Buku Referensi
Cirovic, MIchael M.
Reston Publishing Company, 1981
Buku Referensi