Gaya APA
Sills, D, L., Metton, R, K. (1991).
INTERNATIONAL ENCYCLOPEDIA OF THE SOCIAL SCIENCES (1384).
USA:
Macmillan Press.
Gaya MLA
Sills, David, L., Metton, Robert, K.
"INTERNATIONAL ENCYCLOPEDIA OF THE SOCIAL SCIENCES".
1384
USA:
Macmillan Press,
1991.
Text.