University of Singapore, 1974
Buku Teks
Tapingkae, Amnuay
Regional Institute of Higher Education and Development, 1974
Buku Teks
Regional Institute of Higher Education and Development , 1976
Buku Teks
Maruzen Asia, 1981
Buku Teks
editor by Anthony Tatlow
Hong Kong University Press, 1982
Buku Referensi