edited by Angel Aparicio and Estrella S. Majuelo
University of Santo Tomas, 2015
Buku Referensi
Girardet, Nikolaus, author
Steiner, 1983
Buku Teks
edited by Thomas A. Sebeok
Mouton, 1974
Buku Referensi
Library Association Publishing, 1994
Buku Referensi
Library Association, 1982
Buku Referensi