Rokhlin, L
Foreign Languages Publishing House, [Year of publication not identified]
Buku Teks SO
Graham D. Burrows, Robb O. Stanley, Peter B. Bloom
John Wiley & Sons, 2001
Buku Teks
Ralston, Anthony, author
McGraw-Hill, 1971
Buku Teks
Das, Anadijiban
Springer, 2012
eBooks
Keeton, Joe, author
Hale , 1989
Buku Teks