Oxford University Press, 1993
Buku Teks
Zajac, Alfed
D.C. Heath , 1966
Buku Teks
Martin, Teodorico C.
Central Book Supply,Inc., 1961
Buku Teks
Martin, Teodorico C.
Central Book Supply,Inc., 1962
Buku Teks
Agbayani, Aguedo
AFA Publications, 1978
Buku Teks