एपीए उद्धरण

López, J. D. (1980). The fundamental problem of philosophy in the origin of language.

शिकागो स्टाइल उद्धरण

López, Juan Diego. The Fundamental Problem of Philosophy in the Origin of Language. 1980.

एमएलए उद्धरण

López, Juan Diego. The Fundamental Problem of Philosophy in the Origin of Language. 1980.