Gaya APA

White, S. et al (1990). Communist and postcommunist political systems : an introduction / Stephen White et.al (Ed.ke-3). London: The Macmillan Education LTD..

Gaya MLA

White, Stephen. et al. "Communist and postcommunist political systems : an introduction / Stephen White et.al". Ed.ke-3 London: The Macmillan Education LTD., 1990. Textbook.