Higgins, Hugh
Heinemann Educational, 1975
Buku Teks
edited by Prajudi Atmosudirdjo ...[et al.]
Ghalia Indonesia, 1987
Buku Teks
Trager, Frank N.
Frederick A. Preager, 1966
Buku Teks
Thompson, Willard Scott, 1942-
University of Queensland Press, 1977
Buku Teks
edited by W. Scott Thompson and Donaldson D. Frizzell
Crane, Russak, 1977
Buku Teks