APA

(1994). The World Book. 1994. Year Book. The Annual Supplement to The World Book Encyclopedia. A Review of the Events of 1993. Chicago: World Book, Inc.

Chicago

1994. The World Book. 1994. Year Book. The Annual Supplement to The World Book Encyclopedia. A Review of the Events of 1993. Chicago: World Book, Inc.

Harvard

(1994). The World Book. 1994. Year Book. The Annual Supplement to The World Book Encyclopedia. A Review of the Events of 1993. Chicago: World Book, Inc.

MLA

The World Book. 1994. Year Book. The Annual Supplement to The World Book Encyclopedia. A Review of the Events of 1993. Chicago: World Book, Inc. 1994.