White, David Manning
Macmillan, 1983
Buku Teks
[publisher not identified], [date of publication not identified]
Naskah
Brown, Cheever Mackenzie
Claude Stark, 1974
Buku Teks
Penebar Swadaya, 2005
Buku Teks
Vaidya, Krishnaji Keshav
N.M. Tripathi & Co., 1939
Buku Teks