Borden, Robert S., author
North-Holland, 1983
Buku Teks
Research and Education Association, 1987
Buku Teks
Spiegel, Murray R., author
Armico, 1979
Buku Teks
Hildebrand, Francis Begnaud, author
Prentice-Hall, 1976
Buku Teks
Hildebrand, Francis Begnaud, author
Prentice Hall of India, 1977
Buku Teks