Blose, Nora, author
Sterling Publishing, 1993
Buku Referensi
Buchsbaum, Walter H., author
Prentice-Hall, 1978
Buku Referensi
Lester, James D. Sr., 1935-2006, author
Pearson, 2015
Buku Teks
Lester, James D. Sr., 1935-2006, author
Pearson, 2015
Buku Teks
Doris, Lillian, author
Prentice-Hall, 1970
Buku Referensi