Wachner, Clarence W., author
Macmillan, 1963
Buku Teks
Shaw, J. C., author
D.K. Today, 1988
Buku Teks
Compiled and edited by Dorothy Nyren Curley, Maurice Kramer, Elaine Fialka Kramer
Continuum, 1989
Buku Referensi
Scott, Foresman And Co, 1954
Buku Teks
Amalia Putri Astari, author
2015
UI - Makalah dan Kertas Kerja