Παραπομπή APA

Cole, J. P., & German, F. C. (1961). A geography of the USSR: The background to a planned economy. London: Butterworths.

Παραπομπή Chicago Style

Cole, J. P., and F. C. German. A Geography of the USSR: The Background to a Planned Economy. London: Butterworths, 1961.

Παραπομπή MLA

Cole, J. P., and F. C. German. A Geography of the USSR: The Background to a Planned Economy. London: Butterworths, 1961.

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