edited by Gwen Bell
Hawaii University Press, 1976
Buku Teks
edited by Jonathan Rigg
Archipelago Press, 1996
Buku Teks
Treshow, Michael, author
McGraw-Hill, 1976
Buku Teks
Getis, Arthur, author
Macmillan, 1985
Buku Teks
Knapp, Brian, author
Longman House, 1992
Buku Teks