by Rewey Belle Inglis ... [et al.]
Harcourt, Brace, 1945
Buku Teks
Kooistra, J., author
Wolters, 1948
Buku Teks
edited by Ian Ousby
Cambridge University Press, 1993
Buku Referensi
Watt, Homer A., author
Scott, Foresman, 1932
Buku Teks
Watt, Homer A., author
Scott, Foresman, 1932
Buku Teks