APA

Wren Ch. S, . (1990). The end of the line: The failure of communism in the Soviet Union and China. N.-Y: Simon and Schuster.

Chicago

Wren Ch. S, . 1990. The end of the line: The failure of communism in the Soviet Union and China. N.-Y: Simon and Schuster.

Harvard

Wren Ch. S, . (1990). The end of the line: The failure of communism in the Soviet Union and China. N.-Y: Simon and Schuster.

MLA

Wren Ch. S, . The end of the line: The failure of communism in the Soviet Union and China. N.-Y: Simon and Schuster. 1990.