APA (7th ed.) Citation

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

Chicago Style (17th ed.) Citation

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

MLA (9th ed.) Citation

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