Richards, Larry E.
McGraw-Hill , 1983
Buku Teks
Ervin, gerard L.
Buku Teks
Levine, Arthur
[publisher not identified], [date of publication not identified]
Buku Teks
Hashimi, Nadia
William Morrow, 2015
Buku Teks
Barker, Anthony, 1930-
John Ferguson, 1988
Buku Teks