Oruka, H. O. (1991). The philosophy of liberty: An essay on political philosophy. Standard Textbooks.
Chicagoスタイル(17版)引用形式Oruka, H. Odera. The Philosophy of Liberty: An Essay on Political Philosophy. Nairobi: Standard Textbooks, 1991.
MLA(9版)引用形式Oruka, H. Odera. The Philosophy of Liberty: An Essay on Political Philosophy. Standard Textbooks, 1991.
警告: この引用は必ずしも正確ではありません.