APA

World Center for Researches and Studies on the Green Book, . (1984). Political issues. : World Center for Researches and Studies on the Green Book.

Chicago

World Center for Researches and Studies on the Green Book, . 1984. Political issues. : World Center for Researches and Studies on the Green Book.

Harvard

World Center for Researches and Studies on the Green Book, . (1984). Political issues. : World Center for Researches and Studies on the Green Book.

MLA

World Center for Researches and Studies on the Green Book, . Political issues. : World Center for Researches and Studies on the Green Book. 1984.