APA aipamena

Angeles, E. Y. (1972). Comparison and contrast of the presidential and parliamentary systems of governments. s.n.

Chicago Style aipamena

Angeles, Emmanuel Y. Comparison and Contrast of the Presidential and Parliamentary Systems of Governments. [S.l: s.n, 1972.

MLA aipamena

Angeles, Emmanuel Y. Comparison and Contrast of the Presidential and Parliamentary Systems of Governments. s.n, 1972.