edited by Joseph Miller
H.W. Wilson Company, 1997
Buku Referensi
edited by Barbara Marietta Westby
H.W. Wilson, 1965
Buku Referensi
edited by Barbara M. Westby
H.W. Wilson, 1982
Buku Referensi
Sears, Minnie Earl
H. W. Wilson Co, 1977
Buku Teks
Marcel Dekker, 1982
Buku Referensi