Myers, Robert G., author
Prepared for the Educational Research Review and Advisory Group, 1980
Buku Teks
Szulc, Tad, author
Atheneum, 1966
Buku Teks
Szulc, Tad, author
Atheneum, 1966
Buku Teks
edited by Eduardo P. Archetti
MacMillan Education, 1987
Buku Teks
edited by Fabio De Castro, Barbara Hogenboom, Michiel Baud
Palgrave Macmillan, 2016
Buku Teks