Beiser, Arthur
McGraw-Hill, 1964
Buku Teks SO
Cassidy, Harold G.
Freeman, Cooper & Company , 1970
Buku Teks SO
Wendy Brown ... [and others] ; edited by Jonathan Ling
Longman Singapore Publishers, 1995
Buku Teks SO
Berry, R. Stephen
John Wiley & Sons, 1980
Buku Teks SO
Cromer, Alan H.
McGraw-Hill, 1974
Buku Teks SO