एपीए उद्धरण

Scheffler, I. (1979). Beyond the letter: A philosophical inquiry into ambiguity, vagueness and meta. roulted ge & Kegan paul.

शिकागो स्टाइल उद्धरण

Scheffler, Israel. Beyond the Letter: A Philosophical Inquiry into Ambiguity, Vagueness and Meta. London: roulted ge & Kegan paul, 1979.

एमएलए उद्धरण

Scheffler, Israel. Beyond the Letter: A Philosophical Inquiry into Ambiguity, Vagueness and Meta. roulted ge & Kegan paul, 1979.