Richard Dean Burns, editor in chief
Charles Scribner's Sons, 1993
Buku Referensi
Richard Dean Burns, editor in chief
Charles Scribner's Sons, 1993
Buku Referensi
Richard Dean Burns, editor in chief
Charles Scribner's Sons, 1993
Buku Referensi
edited by Wolfram F. Hanrieder
Westview Press, 1986
Buku Teks
edited by Roman Kolkowicz and Neil Joeck
Westview Press, 1984
Buku Teks