Little, Richard L., author
Tata McGraw-Hill , 1978
Buku Teks
Pohanish, Richard P., author
McGraw-Hill, 1999
Buku Referensi
Kumar, Surender
Oxford & IBH Publishing Co., 1976
Buku Teks
Board, Niir
Asia Pacific Business Press, [tt]
Buku Teks
Jacques Lucas ... [and four others]
Elsevier, 2015
Buku Teks