Yabes, L. Y. (1959). The Filipino struggle for intellectual freedom and other essays on Philippine life and thought. [s.n.].
Citazione stile Chigago Style (17a edizione)Yabes, Leopoldo Yabes. The Filipino Struggle for Intellectual Freedom and Other Essays on Philippine Life and Thought. Quezon City: [s.n.], 1959.
Citatione MLA (9a ed.)Yabes, Leopoldo Yabes. The Filipino Struggle for Intellectual Freedom and Other Essays on Philippine Life and Thought. [s.n.], 1959.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.