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 Ernest W. Lefever
Frederick A. Praeger, 1962
Buku Teks
The Press and Information Office of Federal Government, 1992
Buku Teks