Batley, Claude
John Tiranti, 1948
Buku Referensi
Wu, Nelson I.
Buku Teks
edited by James C. Synder and Anthony J Catanese
McGraw-Hill, 1979
Buku Teks
Parkin, Raleigh
Green & Company, Canada, 1945
Buku Teks
Kramrisch, Stella, 1898-1993
The Phaindon Press, 1954
Buku Referensi