Enriquez, R. V. (1967). Philosophical approaches to human knowing: Traditional and modern. San Beda College.
Citazione stile Chigago Style (17a edizione)Enriquez, Recaredo V. Philosophical Approaches to Human Knowing: Traditional and Modern. Manila: San Beda College, 1967.
Citatione MLA (9a ed.)Enriquez, Recaredo V. Philosophical Approaches to Human Knowing: Traditional and Modern. San Beda College, 1967.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.