Johnson, Norman L., author
John Wiley & Sons, 1977
Buku Teks
Dunn, Olive Jean, author
John Wiley & Sons, 1974
Buku Teks
Dunn, Olive Jean, author
John Wiley & Sons, 1987
Buku Teks
Vazirani, V.N.
Khanna Publishers, 1976
Buku Teks
Milton, Janet Susan, author
McGraw-Hill , 2013
Buku Teks