Cita APA (7th ed.)

TOLZ, V. (1990). The USSR in 1989: A Record of Events. Westview.

Cita Chicago (17th ed.)

TOLZ, Vera. The USSR in 1989: A Record of Events. Boulder: Westview, 1990.

Cita MLA (9th ed.)

TOLZ, Vera. The USSR in 1989: A Record of Events. Westview, 1990.