Nigel J. D. Lucas, Jayaprakasan Ambali, Enggene Chang, Marinette S. Forbes-Ricarte, Ram Manohar Shrestha
McGraw-Hill, 1987
Buku Referensi
Elsevier, 1976
Buku Teks
Greenwood, Gordon, 1913-1986, author
McGraw-Hill, 1974
Buku Teks
Dahl, Carol A, autor
Oklahoma PennWell Corporation, 2015
Buku Teks
Organisation for Economic Cooperation and Development, 1982
Buku Teks