Παραπομπή APA

Gorbachev, M. (1988). Perestroika new thinking for our country and the world.

Παραπομπή Chicago Style

Gorbachev, Mickhail. Perestroika New Thinking for Our Country and the World. London, Withan Collins sons, 1988.

Παραπομπή MLA

Gorbachev, Mickhail. Perestroika New Thinking for Our Country and the World. 1988.