Gaya APA
GALTUNG, J., STEVENTS, T. (1973).
Theory and methods of social research / Johan Galtung (Cet.4).
London:
George Allen.
Gaya MLA
GALTUNG, Johan., STEVENTS, Timon..
"Theory and methods of social research / Johan Galtung".
Cet.4
London:
George Allen,
1973.
Text.