Williams, Albert N.
Association Press, 1959
Buku Teks
Kingsland, William, author
George Allen and Unwin, 1954
Buku Teks
Bakker, Dik, author
A.C. Nix, 1932
Buku Klasik
Nida, Eugene A., author
Harper & Brothers, 1952
Buku Teks SO
Gijsen, Marnix, 1899-, author
Meulenhoff, 1966
Buku Teks