Gaya APA
Sciences, U, A, O. (1990).
Social sciences: Quarterly review Vol. XXI, No. 4 1990 .
Moscow:
USSR Academy of Sciences.
Gaya MLA
Sciences, USSR, Academy, Of.
"Social sciences: Quarterly review Vol. XXI, No. 4 1990".
Moscow:
USSR Academy of Sciences,
1990.
Text.