Bose, Sugata
Routledge, 2011
Buku Teks
Norcliffe, Glen
Routledge, 2015
Buku Teks
Archibald, W. Peter (William Peter), 1943-
McGraw-Hill Ryerson, 1978
Buku Teks
Flint, Colin
Pearson/Prentice Hall, 2007
Buku Teks
Flint, Colin
Taylor and Francis Group, 2018
Buku Teks