Victoria University of Wellington, 2007
Buku Teks
Buku Teks
Centre of Southeast Asian Studies , 1991
Buku Teks
Allan B. I. Bernardo; Cecilia Gastardo- Conaco; Maria Emma Concepcion Liwag, editor
Kyoyook-Kwaha-Sa Publishing Company, 2007
Buku Teks
Sage Publications, 1988
Buku Teks
Bartholomew, David J., author
John Wiley and Sons, 1982
Buku Teks