Charles E. Tutle Co.Inc, 1959,
Buku Referensi
Grebanier, Bernard D.N., author
Henry Holt, 1959
Buku Teks
Shidle, Norman G., author
McGraw-Hill, 1951
Buku Teks
Holladay, Sylvia A., author
Prentice-Hall, 1981
Buku Teks
edited by Poedjosoedarmo Gloria
SEAMEO Regional Language Centre, 2005
Buku Teks