Amazigo, John C., author
John Wiley & Sons, 1980
Buku Teks
Amazigo, John C., author
Wiley,, 1980
Buku Teks
Hildebrand, Francis Begnaud, author
Prentice-Hall, 1976
Buku Teks
Hildebrand, Francis Begnaud, author
Prentice Hall of India, 1977
Buku Teks
Bittinger, Marvin L., author
Pearson Education, 2014
Buku Teks