The annual register: a record of world events 1984
edited by H.V. Hodson
Longman, 1985
Buku Referensi
The annual register: a record of world events 1987
edited by H.V. Hodson
Longman, 1988
Buku Referensi
The annual register: a record of world events 1993
edited by Alan J. Day
Longman, 1994
Buku Referensi
The annual register: a record of world events 1991
edited by Alan J. Day
Longman, 1992
Buku Referensi
The annual register: a record of world events 1988
edited by Alan J. Day
Longman, 1989
Buku Referensi