Gaya APA
Gormley, W, P. (1976).
Human rights and environment: the need for international co-operation .
Leyden:
A.W. Sijthoff.
Gaya MLA
Gormley, W., Paul.
"Human rights and environment: the need for international co-operation".
Leyden:
A.W. Sijthoff,
1976.
Buku.