Gaya APA
Tessitore, J., Woolfson, S. (1989).
Issues Before the 43rd General Assembly of the United Nations .
Canada:
Lexington Books.
Gaya MLA
Tessitore, John., Woolfson, Susan.
"Issues Before the 43rd General Assembly of the United Nations".
Canada:
Lexington Books,
1989.
Buku.